Year	sq. km
2006	13450
2007	13450
2008	13450
2009	13450
2010	13450
2011	13450
2012	13450
2013	13450
2014	13450
2015	13450
2016	13450
2017	13450
2018	13450
2019	13450
2020	13450
2021	13450