Year	hectares
1961	2507000
1962	2503000
1963	2499000
1964	2495000
1965	2491000
1966	2487000
1967	2483000
1968	2479000
1969	2475000
1970	2471000
1971	2467000
1972	2463000
1973	2458000
1974	2453000
1975	2448000
1976	2443000
1977	2438000
1978	2433000
1979	2428000
1980	2423000
1981	2418000
1982	2413000
1983	2408000
1984	2403000
1985	2398000
1986	2393000
1987	2388000
1988	2383000
1989	2378000
1990	2344000
1991	2309000
1992	2275000
1993	2240000
1994	2200000
1995	2153000
1996	2000000
1997	1882000
1998	1798500
1999	1715000
2000	1750270
2001	1628560
2002	1636150
2003	1554420
2004	1482730
2005	1305460
2006	1241740
2007	1148250
2008	1220210
2009	1200980
2010	1147570
2011	1126770
2012	1123820
2013	1138510
2014	1098130
2015	1069960
2016	982230
2017	968051.9
2018	960440.9
2019	997762.7
2020	972909.3
2021	965233.7