Year	hectares
1992	795000
1993	795000
1994	795000
1995	771000
1996	781000
1997	785000
1998	792000
1999	790000
2000	793000
2001	795000
2002	799000
2003	802000
2004	452000
2005	470000
2006	462000
2007	463000
2008	459000
2009	433000
2010	395000
2011	377400
2012	370000
2013	415700
2014	365000
2015	367700
2016	344000
2017	324000
2018	311000
2019	307000
2020	310000
2021	312000