年份,自然海岸線長度(km),海岸線總長度(km)
2008,1101.61,1960.73
2009,1101.38,1961.24
2010,1101.33,1963.9
2011,1098.96,1958.47
2012,1098.94,1961.05
2013,1098.47,1963.73
2014,1097.63,1970.16
2015,1097.55,1978.99
2016,1097.62,1985.32
2017,1099.88,1988.13
2018,1099.73,1988.01
2019,1104.59,1988.08
2020,1104.73,1990.83
2021,1104.69,1991.10