Year	% of land area
2000	24.082720259782633
2001	24.082720259782633
2002	24.082720259782633
2003	24.082720259782633
2004	24.082720259782633
2005	23.30585831591868
2006	23.30585831591868
2007	23.694289287850655
2008	24.082720259782633
2009	23.993381136238277
2010	24.063298711186036
2011	24.129331976414473
2012	24.300241604064542
2013	24.257514197152023
2014	24.319663152661143
2015	24.393465037328216
2016	24.028339923712156
2017	24.09748063671605
2018	24.12700139058288
2019	24.066794589933423
2020	24.13321628613379
2021	24.26605967853453