Year	sq. km
2000	867
2001	869
2002	871
2003	873
2004	875
2005	877
2006	879
2007	881
2008	883
2009	885
2010	887
2011	887
2012	887
2013	887
2014	887
2015	887
2016	887
2017	887
2018	887
2019	887
2020	887
2021	887