Year	sq. km
1992	93212
1993	93448
1994	93684
1995	93920
1996	94156
1997	94392
1998	94628
1999	94864
2000	95100
2001	95138
2002	95176
2003	95214
2004	95252
2005	95290
2006	95328
2007	95366
2008	95404
2009	95442
2010	95480
2011	95698
2012	95916
2013	96134
2014	96352
2015	96570
2016	96640
2017	96710
2018	96780
2019	96840
2020	96900
2021	96960