Year	hectares
1961	2499000
1962	2433000
1963	2413000
1964	2422000
1965	2582000
1966	2683000
1967	2694000
1968	2687000
1969	2725000
1970	2725000
1971	2735000
1972	2725000
1973	2723000
1974	2707000
1975	2691000
1976	2596000
1977	2499000
1978	2395000
1979	2304000
1980	2286000
1981	2307000
1982	2281240
1983	2264740
1984	2275260
1985	2305000
1986	2318000
1987	2288000
1988	2310000
1989	2296000
1990	2284000
1991	2267000
1992	2615280
1993	2616180
1994	2612660
1995	2817000
1996	2710460
1997	2778920
1998	2793620
1999	2994000
2000	2801000
2001	2861000
2002	2936000
2003	2906000
2004	2965000
2005	2563000
2006	2605000
2007	2564000
2008	2642000
2009	2884000
2010	2873000
2011	2808000
2012	2829000
2013	2707970
2014	2640190
2015	2865877.1
2016	2786765.4
2017	2911968.8
2018	3049000
2019	3219000
2020	3365000
2021	3077000