Year	sq. km
1990	265260.9
1991	263627.85
1992	261994.8
1993	260361.75
1994	258728.7
1995	257095.65
1996	255462.6
1997	253829.55
1998	252196.5
1999	250563.45
2000	248930.4
2001	247297.34
2002	245664.28
2003	244031.22
2004	242398.16
2005	240765.1
2006	239132.04
2007	237498.98
2008	235865.92
2009	234232.86
2010	232599.8
2011	230966.74
2012	229333.68
2013	227700.62
2014	226067.56
2015	224434.5
2016	222801.479
2017	221168.5
2018	219535.5
2019	217902.5
2020	216269.5
2021	214636.5