Year	% of land area
1990	0.05730659025787967
1991	0.05730659025787967
1992	0.05730659025787967
1993	0.05730659025787967
1994	0.05730659025787967
1995	0.05730659025787967
1996	0.05730659025787967
1997	0.05730659025787967
1998	0.05730659025787967
1999	0.05730659025787967
2000	0.05730659025787967
2001	0.05730659025787967
2002	0.05730659025787967
2003	0.05730659025787967
2004	0.05730659025787967
2005	0.05730659025787967
2006	0.05730659025787967
2007	0.05730659025787967
2008	0.05730659025787967
2009	0.05730659025787967
2010	0.05730659025787967
2011	0.05730659025787967
2012	0.05730659025787967
2013	0.05730659025787967
2014	0.05730659025787967
2015	0.05730659025787967
2016	0.05730659025787967
2017	0.05730659025787967
2018	0.05730659025787967
2019	0.05730659025787967
2020	0.05856515373352855
2021	0.05839416058394161