Year	sq. km
1992	10231806.860999998
1993	10285828.049000002
1994	10294516.635999996
1995	10303205.225
1996	10311893.813000001
1997	10320582.399999999
1998	10329270.987999996
1999	10337959.576
2000	10354188.163999999
2001	10366851.434
2002	10379514.703000002
2003	10392177.973999996
2004	10404841.243999999
2005	10417504.513999999
2006	10463751.782999996
2007	10476869.053000003
2008	10489986.323999997
2009	10503103.592999998
2010	10516220.863
2011	10521971.919
2012	10527722.971999997
2013	10533474.026999995
2014	10539225.081999997
2015	10544976.136999998
2016	10551036.453999996
2017	10557512.059
2018	10562170.462000001
2019	10566829.299999997
2020	10571470.299999999
2021	10576123.192999996