Year	hectares
1961	961167
1962	988000
1963	1082000
1964	1166000
1965	1228453
1966	1121438
1967	1344165
1968	1164745
1969	1207337
1970	1121847
1971	1118734
1972	1034919
1973	1203764
1974	1295224
1975	1114837
1976	1033300
1977	1066813
1978	1208722
1979	1076913
1980	1234834
1981	1336682
1982	1142154
1983	912518
1984	1158770
1985	1523172
1986	1164530
1987	1252580
1988	1217422
1989	1259076
1990	1229004
1991	1241350
1992	1218608
1993	1416921
1994	1407542
1995	1360824
1996	1286885
1997	1117874
1998	1093579
1999	1442567
2000	1166613
2001	1152810
2002	1205316
2003	1331210
2004	1081184
2005	1192930
2006	1124322
2007	1068876
2008	1481557
2009	1614337
2010	1477513
2011	1136905
2012	1227966
2013	1130646
2014	1125682
2015	1563993
2016	1663755
2017	1704719
2018	1757142
2019	1729124
2020	1998542
2021	1906374
2022	1896411