Year	hectares
1961	34595414
1962	33522923
1963	38061351
1964	40299053
1965	39492472
1966	40655236
1967	42236479
1968	43211433
1969	42903656
1970	43821437
1971	45801703
1972	44701038
1973	44086194
1974	44538623
1975	46689504
1976	50507312
1977	48280430
1978	47555090
1979	45957607
1980	46655687
1981	49392350
1982	50710524
1983	48017311
1984	48380813
1985	48855273
1986	49072257
1987	50412507
1988	48840523
1989	47638398
1990	44561409
1991	46009899
1992	46438577
1993	43541482
1994	46640963
1995	46691268
1996	45276379
1997	47960153
1998	44615620
1999	44550097
2000	46072676
2001	47420649
2002	45996696
2003	47931202
2004	47850046
2005	46552136
2006	44922198
2007	47891305
2008	50778188
2009	46276435
2010	45758421
2011	48324919
2012	50004742
2013	51414162
2014	51895290
2015	52060997
2016	51265302
2017	55810513
2018	55366277
2019	55920863
2020	59125192
2021	60460237
2022	64094701