"year","nspots","std","nobs","status"
1700.5,8.3,-1.0,-1,1
1701.5,18.3,-1.0,-1,1
1702.5,26.7,-1.0,-1,1
1703.5,38.3,-1.0,-1,1
1704.5,60.0,-1.0,-1,1
1705.5,96.7,-1.0,-1,1
1706.5,48.3,-1.0,-1,1
1707.5,33.3,-1.0,-1,1
1708.5,16.7,-1.0,-1,1
1709.5,13.3,-1.0,-1,1
1710.5,5.0,-1.0,-1,1
1711.5,0.0,-1.0,-1,1
1712.5,0.0,-1.0,-1,1
1713.5,3.3,-1.0,-1,1
1714.5,18.3,-1.0,-1,1
1715.5,45.0,-1.0,-1,1
1716.5,78.3,-1.0,-1,1
1717.5,105.0,-1.0,-1,1
1718.5,100.0,-1.0,-1,1
1719.5,65.0,-1.0,-1,1
1720.5,46.7,-1.0,-1,1
1721.5,43.3,-1.0,-1,1
1722.5,36.7,-1.0,-1,1
1723.5,18.3,-1.0,-1,1
1724.5,35.0,-1.0,-1,1
1725.5,66.7,-1.0,-1,1
1726.5,130.0,-1.0,-1,1
1727.5,203.3,-1.0,-1,1
1728.5,171.7,-1.0,-1,1
1729.5,121.7,-1.0,-1,1
1730.5,78.3,-1.0,-1,1
1731.5,58.3,-1.0,-1,1
1732.5,18.3,-1.0,-1,1
1733.5,8.3,-1.0,-1,1
1734.5,26.7,-1.0,-1,1
1735.5,56.7,-1.0,-1,1
1736.5,116.7,-1.0,-1,1
1737.5,135.0,-1.0,-1,1
1738.5,185.0,-1.0,-1,1
1739.5,168.3,-1.0,-1,1
1740.5,121.7,-1.0,-1,1
1741.5,66.7,-1.0,-1,1
1742.5,33.3,-1.0,-1,1
1743.5,26.7,-1.0,-1,1
1744.5,8.3,-1.0,-1,1
1745.5,18.3,-1.0,-1,1
1746.5,36.7,-1.0,-1,1
1747.5,66.7,-1.0,-1,1
1748.5,100.0,-1.0,-1,1
1749.5,134.8,-1.0,-1,1
1750.5,139.0,-1.0,-1,1
1751.5,79.5,-1.0,-1,1
1752.5,79.7,-1.0,-1,1
1753.5,51.2,-1.0,-1,1
1754.5,20.3,-1.0,-1,1
1755.5,16.0,-1.0,-1,1
1756.5,17.0,-1.0,-1,1
1757.5,54.0,-1.0,-1,1
1758.5,79.3,-1.0,-1,1
1759.5,90.0,-1.0,-1,1
1760.5,104.8,-1.0,-1,1
1761.5,143.2,-1.0,-1,1
1762.5,102.0,-1.0,-1,1
1763.5,75.2,-1.0,-1,1
1764.5,60.7,-1.0,-1,1
1765.5,34.8,-1.0,-1,1
1766.5,19.0,-1.0,-1,1
1767.5,63.0,-1.0,-1,1
1768.5,116.3,-1.0,-1,1
1769.5,176.8,-1.0,-1,1
1770.5,168.0,-1.0,-1,1
1771.5,136.0,-1.0,-1,1
1772.5,110.8,-1.0,-1,1
1773.5,58.0,-1.0,-1,1
1774.5,51.0,-1.0,-1,1
1775.5,11.7,-1.0,-1,1
1776.5,33.0,-1.0,-1,1
1777.5,154.2,-1.0,-1,1
1778.5,257.3,-1.0,-1,1
1779.5,209.8,-1.0,-1,1
1780.5,141.3,-1.0,-1,1
1781.5,113.5,-1.0,-1,1
1782.5,64.2,-1.0,-1,1
1783.5,38.0,-1.0,-1,1
1784.5,17.0,-1.0,-1,1
1785.5,40.2,-1.0,-1,1
1786.5,138.2,-1.0,-1,1
1787.5,220.0,-1.0,-1,1
1788.5,218.2,-1.0,-1,1
1789.5,196.8,-1.0,-1,1
1790.5,149.8,-1.0,-1,1
1791.5,111.0,-1.0,-1,1
1792.5,100.0,-1.0,-1,1
1793.5,78.2,-1.0,-1,1
1794.5,68.3,-1.0,-1,1
1795.5,35.5,-1.0,-1,1
1796.5,26.7,-1.0,-1,1
1797.5,10.7,-1.0,-1,1
1798.5,6.8,-1.0,-1,1
1799.5,11.3,-1.0,-1,1
1800.5,24.2,-1.0,-1,1
1801.5,56.7,-1.0,-1,1
1802.5,75.0,-1.0,-1,1
1803.5,71.8,-1.0,-1,1
1804.5,79.2,-1.0,-1,1
1805.5,70.3,-1.0,-1,1
1806.5,46.8,-1.0,-1,1
1807.5,16.8,-1.0,-1,1
1808.5,13.5,-1.0,-1,1
1809.5,4.2,-1.0,-1,1
1810.5,0.0,-1.0,-1,1
1811.5,2.3,-1.0,-1,1
1812.5,8.3,-1.0,-1,1
1813.5,20.3,-1.0,-1,1
1814.5,23.2,-1.0,-1,1
1815.5,59.0,-1.0,-1,1
1816.5,76.3,-1.0,-1,1
1817.5,68.3,-1.0,-1,1
1818.5,52.9,9.2,213,1
1819.5,38.5,7.9,249,1
1820.5,24.2,6.4,224,1
1821.5,9.2,4.2,304,1
1822.5,6.3,3.7,353,1
1823.5,2.2,2.7,302,1
1824.5,11.4,4.6,194,1
1825.5,28.2,6.8,310,1
1826.5,59.9,9.8,320,1
1827.5,83.0,11.6,321,1
1828.5,108.5,13.2,301,1
1829.5,115.2,13.6,291,1
1830.5,117.4,13.7,268,1
1831.5,80.8,11.4,285,1
1832.5,44.3,8.5,277,1
1833.5,13.4,4.9,292,1
1834.5,19.5,5.8,260,1
1835.5,85.8,11.8,173,1
1836.5,192.7,17.6,166,1
1837.5,227.3,19.1,150,1
1838.5,168.7,16.5,201,1
1839.5,143.0,15.1,194,1
1840.5,105.5,13.0,248,1
1841.5,63.3,10.1,277,1
1842.5,40.3,8.1,311,1
1843.5,18.1,5.6,320,1
1844.5,25.1,6.5,294,1
1845.5,65.8,10.3,265,1
1846.5,102.7,12.8,247,1
1847.5,166.3,16.3,232,1
1848.5,208.3,18.3,234,1
1849.5,182.5,16.6,365,1
1850.5,126.3,13.7,365,1
1851.5,122.0,13.4,365,1
1852.5,102.7,12.3,366,1
1853.5,74.1,10.4,365,1
1854.5,39.0,7.5,365,1
1855.5,12.7,4.3,365,1
1856.5,8.2,3.4,366,1
1857.5,43.4,8.0,365,1
1858.5,104.4,12.4,365,1
1859.5,178.3,16.3,365,1
1860.5,182.2,16.5,366,1
1861.5,146.6,14.8,365,1
1862.5,112.1,12.9,365,1
1863.5,83.5,11.1,365,1
1864.5,89.2,11.5,366,1
1865.5,57.8,9.2,365,1
1866.5,30.7,6.7,365,1
1867.5,13.9,4.5,365,1
1868.5,62.8,8.9,366,1
1869.5,123.6,12.5,365,1
1870.5,232.0,17.1,365,1
1871.5,185.3,15.3,365,1
1872.5,169.2,14.6,366,1
1873.5,110.1,11.8,365,1
1874.5,74.5,9.7,365,1
1875.5,28.3,6.1,365,1
1876.5,18.9,5.1,366,1
1877.5,20.7,5.3,365,1
1878.5,5.7,3.2,365,1
1879.5,10.0,3.9,365,1
1880.5,53.7,8.3,366,1
1881.5,90.5,10.7,365,1
1882.5,99.0,11.2,365,1
1883.5,106.1,11.6,365,1
1884.5,105.8,11.6,366,1
1885.5,86.3,10.5,365,1
1886.5,42.4,7.4,365,1
1887.5,21.8,5.4,365,1
1888.5,11.2,4.0,366,1
1889.5,10.4,3.9,365,1
1890.5,11.8,4.1,365,1
1891.5,59.5,8.7,365,1
1892.5,121.7,12.4,366,1
1893.5,142.0,10.6,365,1
1894.5,130.0,10.2,365,1
1895.5,106.6,9.2,365,1
1896.5,69.4,7.4,366,1
1897.5,43.8,5.9,365,1
1898.5,44.4,6.0,365,1
1899.5,20.2,4.1,365,1
1900.5,15.7,3.8,365,1
1901.5,4.6,2.6,365,1
1902.5,8.5,3.1,365,1
1903.5,40.8,5.7,365,1
1904.5,70.1,7.5,366,1
1905.5,105.5,9.2,365,1
1906.5,90.1,8.5,365,1
1907.5,102.8,9.0,365,1
1908.5,80.9,8.0,366,1
1909.5,73.2,7.6,365,1
1910.5,30.9,5.0,365,1
1911.5,9.5,3.1,365,1
1912.5,6.0,2.7,366,1
1913.5,2.4,2.3,365,1
1914.5,16.1,3.8,365,1
1915.5,79.0,7.9,365,1
1916.5,95.0,8.7,366,1
1917.5,173.6,11.8,365,1
1918.5,134.6,10.3,365,1
1919.5,105.7,9.2,365,1
1920.5,62.7,7.1,366,1
1921.5,43.5,5.9,365,1
1922.5,23.7,4.5,365,1
1923.5,9.7,3.1,365,1
1924.5,27.9,4.8,366,1
1925.5,74.0,7.7,365,1
1926.5,106.5,9.2,365,1
1927.5,114.7,9.5,365,1
1928.5,129.7,10.2,366,1
1929.5,108.2,9.3,365,1
1930.5,59.4,6.9,365,1
1931.5,35.1,5.3,365,1
1932.5,18.6,4.0,366,1
1933.5,9.2,3.2,365,1
1934.5,14.6,3.6,365,1
1935.5,60.2,6.9,365,1
1936.5,132.8,10.3,366,1
1937.5,190.6,12.3,365,1
1938.5,182.6,12.1,365,1
1939.5,148.0,10.8,365,1
1940.5,113.0,9.5,366,1
1941.5,79.2,7.9,365,1
1942.5,50.8,6.4,365,1
1943.5,27.1,4.7,365,1
1944.5,16.1,3.8,366,1
1945.5,55.3,6.6,365,1
1946.5,154.3,11.1,365,1
1947.5,214.7,9.8,365,1
1948.5,193.0,9.3,366,1
1949.5,190.7,9.2,365,1
1950.5,118.9,7.3,365,1
1951.5,98.3,6.6,365,1
1952.5,45.0,4.5,366,1
1953.5,20.1,3.0,365,1
1954.5,6.6,1.7,365,1
1955.5,54.2,4.9,365,1
1956.5,200.7,9.5,366,1
1957.5,269.3,11.0,365,1
1958.5,261.7,10.8,365,1
1959.5,225.1,10.0,365,1
1960.5,159.0,8.4,366,1
1961.5,76.4,5.8,365,1
1962.5,53.4,4.9,365,1
1963.5,39.9,4.2,365,1
1964.5,15.0,2.6,366,1
1965.5,22.0,3.2,365,1
1966.5,66.8,5.4,365,1
1967.5,132.9,7.7,365,1
1968.5,150.0,8.2,366,1
1969.5,149.4,8.2,365,1
1970.5,148.0,8.1,365,1
1971.5,94.4,6.5,365,1
1972.5,97.6,6.6,366,1
1973.5,54.1,4.9,365,1
1974.5,49.2,4.7,365,1
1975.5,22.5,3.2,365,1
1976.5,18.4,2.9,366,1
1977.5,39.3,4.2,365,1
1978.5,131.0,7.6,365,1
1979.5,220.1,9.9,365,1
1980.5,218.9,9.9,366,1
1981.5,198.9,13.1,3049,1
1982.5,162.4,12.1,3436,1
1983.5,91.0,7.6,4216,1
1984.5,60.5,5.9,5103,1
1985.5,20.6,3.7,5543,1
1986.5,14.8,3.5,5934,1
1987.5,33.9,3.7,6396,1
1988.5,123.0,8.4,6556,1
1989.5,211.1,12.8,6932,1
1990.5,191.8,11.2,7108,1
1991.5,203.3,12.7,6932,1
1992.5,133.0,8.9,7845,1
1993.5,76.1,5.8,8010,1
1994.5,44.9,4.4,8524,1
1995.5,25.1,3.7,8429,1
1996.5,11.6,3.1,7614,1
1997.5,28.9,3.6,7294,1
1998.5,88.3,6.6,6353,1
1999.5,136.3,9.3,6413,1
2000.5,173.9,10.1,5953,1
2001.5,170.4,10.5,6558,1
2002.5,163.6,9.8,6588,1
2003.5,99.3,7.1,7087,1
2004.5,65.3,5.9,6882,1
2005.5,45.8,4.7,7084,1
2006.5,24.7,3.5,6370,1
2007.5,12.6,2.7,6841,1
2008.5,4.2,2.5,6644,1
2009.5,4.8,2.5,6465,1
2010.5,24.9,3.4,6328,1
2011.5,80.8,6.7,6077,1
2012.5,84.5,6.7,5753,1
2013.5,94.0,6.9,5347,1
2014.5,113.3,8.0,5273,1
2015.5,69.8,6.4,8903,1