Year	hectares
1992	606000
1993	609000
1994	609000
1995	606000
1996	609000
1997	600000
1998	587000
1999	588000
2000	555000
2001	568000
2002	499000
2003	471000
2004	461000
2005	448000
2006	439000
2007	431000
2008	424000
2009	420000
2010	414000
2011	414000
2012	414000
2013	413000
2014	412000
2015	414000
2016	416000
2017	417000
2018	418000
2019	419000
2020	416000
2021	417000