Year	hectares
1961	2807000
1962	2773000
1963	2744000
1964	2726000
1965	2693000
1966	2686000
1967	2685000
1968	2694000
1969	2678000
1970	2661000
1971	2647000
1972	2651000
1973	2653000
1974	2641000
1975	2650000
1976	2657000
1977	2637000
1978	2643000
1979	2642000
1980	2639000
1981	2637000
1982	2630000
1983	2593000
1984	2612000
1985	2601000
1986	2594000
1987	2578000
1988	2560000
1989	2545000
1990	2561000
1991	2548000
1992	2539000
1993	2533000
1994	2365000
1995	2319000
1996	2322000
1997	2365000
1998	2366000
1999	2294000
2000	2281000
2001	2292000
2002	2276000
2003	2266000
2004	2269000
2005	2332000
2006	2347000
2007	2306000
2008	2402000
2009	2431000
2010	2421000
2011	2499000
2012	2418000
2013	2407600
2014	2432000
2015	2351651
2016	2370500
2017	2367400
2018	2388400
2019	2395932
2020	2370930
2021	2357000