Year	hectares
1992	423000
1993	433000
1994	435000
1995	435000
1996	450000
1997	455000
1998	455000
1999	450000
2000	450000
2001	455000
2002	455000
2003	455000
2004	455000
2005	455000
2006	452900
2007	452100
2008	450400
2009	449400
2010	448500
2011	449200
2012	448400
2013	448200
2014	447500
2015	446700
2016	446400
2017	446000
2018	445600
2019	444800
2020	444000
2021	443420