Year,Quarter,Quantity,Price
1977,1,22.9976,142.1667
1977,2,22.6131,143.9333
1977,3,23.4054,146.5
1977,4,22.7401,150.8
1978,1,22.0441,160
1978,2,21.7602,182.5333
1978,3,21.6064,186.2
1978,4,21.8814,186.4333
1979,1,20.5086,211.7
1979,2,19.0408,231.5
1979,3,19.1457,222.7
1979,4,19.3989,223.8333
1980,1,18.947,231.1667
1980,2,18.898,227.5
1980,3,19.2127,237.5333
1980,4,19.4988,238.1667
1981,1,19.3429,233.5
1981,2,18.9816,230.7
1981,3,19.6459,239.0333
1981,4,19.2868,235.4333
1982,1,18.8193,233.3
1982,2,18.7968,242.9667
1982,3,19.9882,244.0333
1982,4,19.4242,233.1333
1983,1,19.2252,233.8667
1983,2,19.3361,240.9333
1983,3,20.4952,234.3667
1983,4,19.5995,227.1667
1984,1,19.3191,238.4667
1984,2,19.3744,238
1984,3,19.9738,232.2
1984,4,19.7597,233.2333
1985,1,19.0586,234.9
1985,2,20.0757,230.4333
1985,3,20.8175,222.7333
1985,4,19.2488,226.4333
1986,1,19.0212,229.2667
1986,2,20.1607,222.9
1986,3,20.7108,225.6333
1986,4,18.9416,229.3
1987,1,18.2746,230.6
1987,2,18.5266,239.1
1987,3,19.175,242.1667
1987,4,17.8807,241.6667
1988,1,18.1678,241.7333
1988,2,18.4639,250.1
1988,3,18.7622,254.5333
1988,4,17.2552,255
1989,1,16.9765,260.7
1989,2,17.5192,266.9667
1989,3,17.5975,268.0333
1989,4,17.2416,266.9333
1990,1,16.5516,272.6333
1990,2,17.3763,281.2
1990,3,17.4207,280.3667
1990,4,16.4315,289.8667
1991,1,15.9842,294.2667
1991,2,17.0449,295.2
1991,3,17.5591,284.6333
1991,4,16.2093,279.2
1992,1,16.3952,282.2667
1992,2,16.9538,286.8333
1992,3,17.227,282.6667
1992,4,15.9093,286.6667
1993,1,15.8915,292.1333
1993,2,16.2058,300.4
1993,3,17.043,292
1993,4,15.9513,289.2333
1994,1,16.2494,286.6667
1994,2,16.8868,286.1667
1994,3,17.3775,279.5
1994,4,16.4723,279.1667
1995,1,16.3097,283.8667
1995,2,17.0895,283.1
1995,3,17.647,285.1
1995,4,16.3476,285.2667
1996,1,17.0783,278.7
1996,2,17.6763,277.4
1996,3,17.1606,279.8
1996,4,16.2764,285.0333
1997,1,16.2921,278.8
1997,2,17.2994,278.9667
1997,3,17.0513,281.0667
1997,4,16.2354,279.3
1998,1,16.6884,273.4667
1998,2,17.1985,278.1
1998,3,17.5085,277.3667
1998,4,16.6475,279.5333
1999,1,16.6785,278
1999,2,17.7635,284.7667
1999,3,17.6689,289.2333