Year	hectares
1961	3313500
1962	3425500
1963	3426500
1964	3446500
1965	3444500
1966	3446500
1967	3124500
1968	3041500
1969	3081500
1970	3178000
1971	3400000
1972	3923100
1973	3337000
1974	3342000
1975	3404000
1976	3394000
1977	3388000
1978	3392000
1979	3183500
1980	3018500
1981	2909000
1982	2799500
1983	2649000
1984	2562000
1985	2434500
1986	2347000
1987	2496000
1988	2331000
1989	2290000
1990	2253000
1991	2345071
1992	2250000
1993	2631882
1994	2757000
1995	2669450
1996	2691670
1997	2730401
1998	2792105
1999	2532871
2000	2406000
2001	2094000
2002	2238000
2003	3004700
2004	2667000
2005	3030000
2006	2989000
2007	3021000
2008	2714000
2009	3192000
2010	2962000
2011	2820000
2012	3143000
2013	3182922
2014	3344733
2015	2724070
2016	2793694
2017	2419213
2018	1910389
2019	2641911
2020	3043589
2021	2368118
2022	2141199