Year	Square Kilometers
1990	137180
1991	135997
1992	134814
1993	133631
1994	132448
1995	131265
1996	130082
1997	128899
1998	127716
1999	126533
2000	125350
2001	124166
2002	122982
2003	121798
2004	120614
2005	119430
2006	118246
2007	117062
2008	115878
2009	114694
2010	113510
2011	112488
2012	111466
2013	110444
2014	109422
2015	108400