Year	% of land area
1961	1.0526315789473684
1962	1.0526315789473684
1963	1.0526315789473684
1964	1.0526315789473684
1965	1.0526315789473684
1966	1.0526315789473684
1967	1.0526315789473684
1968	1.0526315789473684
1969	1.0526315789473684
1970	1.0526315789473684
1971	1.0526315789473684
1972	1.0526315789473684
1973	1.0526315789473684
1974	1.0526315789473684
1975	1.0526315789473684
1976	1.0526315789473684
1977	1.0526315789473684
1978	1.0526315789473684
1979	1.0526315789473684
1980	1.0526315789473684
1981	1.0526315789473684
1982	1.0526315789473684
1983	1.0526315789473684
1984	1.0526315789473684
1985	1.0526315789473684
1986	1.0526315789473684
1987	1.0526315789473684
1988	1.0526315789473684
1989	1.0526315789473684
1990	1.0526315789473684
1991	1.0526315789473684
1992	1.0526315789473684
1993	1.0526315789473684
1994	1.0526315789473684
1995	1.0526315789473684
1996	1.0526315789473684
1997	1.0526315789473684
1998	1.0526315789473684
1999	1.0526315789473684
2000	1.0526315789473684
2001	1.0526315789473684
2002	1.0526315789473684
2003	1.0526315789473684
2004	1.0526315789473684
2005	1.0526315789473684
2006	1.0526315789473684
2007	1.0526315789473684
2008	1.0526315789473684
2009	1.0526315789473684
2010	1.0526315789473684
2011	1.0526315789473684
2012	1.0526315789473684
2013	1.0526315789473684
2014	1.0526315789473684
2015	1.0526315789473684
2016	1.0526315789473684
2017	1.0526315789473684
2018	1.0526315789473684
2019	1.0526315789473684
2020	1.0526315789473684
2021	1.0526315789473684