Year	sq. km
1990	136934.5
1991	136271.72
1992	135608.94
1993	134946.16
1994	134283.38
1995	133620.6
1996	132957.82
1997	132295.04
1998	131632.26
1999	130969.48
2000	130306.7
2001	129838.01
2002	129369.32
2003	128900.63
2004	128431.94
2005	127963.25
2006	127494.56
2007	127025.87
2008	126557.18
2009	126088.49
2010	125619.8
2011	125487.62
2012	125355.44
2013	125223.26
2014	125091.08
2015	124958.9
2016	124826.8
2017	124694.6
2018	124562.4
2019	124430.3
2020	124298.1
2021	124165.96699999999