Year	hectares
1961	1105697
1962	1260197
1963	1369115
1964	1432536
1965	1569770
1966	1419048
1967	1623708
1968	1811404
1969	1783814
1970	1635144
1971	1580733
1972	1721646
1973	1872408
1974	1879861
1975	1881305
1976	2044704
1977	2048900
1978	1971500
1979	1853700
1980	1796750
1981	1427630
1982	1501439
1983	1619035
1984	1295163
1985	1784513
1986	1794808
1987	1846906
1988	1890731
1989	1834500
1990	1785368
1991	1707540
1992	1804764
1993	1737790
1994	1889290
1995	1842401
1996	1903025
1997	1932660
1998	1841097
1999	1962713
2000	1884669
2001	2055178
2002	2046310
2003	2102634
2004	1771599
2005	2177936
2006	2390855
2007	2038151
2008	2021880
2009	2332573
2010	2542199
2011	2679558
2012	2700291
2013	2730562
2014	2669565
2015	2551453
2016	2814068
2017	2602578
2018	2811780
2019	2874012
2020	2649080
2021	2668085
2022	2591448