Year	hectares
1961	358172110
1962	362481709
1963	368922522
1964	376761124
1965	376045371
1966	378234623
1967	385430495
1968	389237100
1969	397444957
1970	399011623
1971	401357798
1972	396558176
1973	405943687
1974	403362524
1975	408457027
1976	416467394
1977	412001532
1978	413551619
1979	407198986
1980	412427277
1981	415185697
1982	407333129
1983	416005733
1984	415566190
1985	421597229
1986	427359736
1987	419851247
1988	430530127
1989	434212864
1990	431414781
1991	434439333
1992	538048598
1993	531800152
1994	532059887
1995	523775278
1996	528267650
1997	529996171
1998	513742173
1999	510141351
2000	508877641
2001	512463696
2002	506442962
2003	510839866
2004	514587600
2005	533182347
2006	530083302
2007	536437469
2008	548209603
2009	541297810
2010	541982082
2011	555686368
2012	549486192
2013	566164119
2014	569997122
2015	569029057
2016	576336581
2017	582387075
2018	577526094
2019	572108138
2020	587987585
2021	590058916
2022	586484667