Year	hectares
1992	200000
1993	200000
1994	196000
1995	196000
1996	191000
1997	173000
1998	172000
1999	171000
2000	173000
2001	173000
2002	168000
2003	173000
2004	176000
2005	176000
2006	178000
2007	175000
2008	183410
2009	184250
2010	184590
2011	184350
2012	183700
2013	184960
2014	184040
2015	184240
2016	184260
2017	184000
2018	181780
2019	181230
2020	181030
2021	180950