Year	Square Kilometers
1990	5432
1991	5474.3
1992	5516.6
1993	5558.9
1994	5601.2
1995	5643.5
1996	5685.8
1997	5728.1
1998	5770.4
1999	5812.7
2000	5855
2001	5799.4
2002	5743.8
2003	5688.2
2004	5632.6
2005	5577
2006	5635.8
2007	5694.6
2008	5753.4
2009	5812.2
2010	5871
2011	5921.2
2012	5971.4
2013	6021.6
2014	6071.8
2015	6122