Year	sq. km
1990	204711.169
1991	205092.75199999995
1992	205474.335
1993	205855.91799999998
1994	206237.501
1995	206619.085
1996	207000.66799999998
1997	207382.251
1998	207763.83399999994
1999	208145.417
2000	208527
2001	210503.81999999998
2002	212480.64
2003	214457.45999999996
2004	216434.28
2005	218411.09999999998
2006	220387.91999999998
2007	222364.74
2008	224341.56
2009	226318.37999999998
2010	228295.2
2011	228460.8
2012	228626.4
2013	228792
2014	228957.59999999998
2015	229123.19999999995
2016	229110.59999999995
2017	229204.69999999998
2018	229360.3
2019	229740.79999999996
2020	230051.29999999996
2021	230408.46600000001