Year	hectares
1992	4474000
1993	4471000
1994	4468000
1995	4475000
1996	4476000
1997	4477000
1998	4478000
1999	4479000
2000	4480000
2001	4481000
2002	4484000
2003	4445000
2004	4406000
2005	4367000
2006	4328000
2007	4289000
2008	4250000
2009	4211000
2010	4172000
2011	4133000
2012	4094000
2013	4055000
2014	4044000
2015	4041000
2016	4035300
2017	4026400
2018	4019800
2019	4033500
2020	4023000
2021	4016100