Year	hectares
1961	1432000
1962	1436000
1963	1476000
1964	1479000
1965	1460000
1966	1484000
1967	1490000
1968	1483000
1969	1508000
1970	1510000
1971	1514000
1972	1523000
1973	1558000
1974	1592000
1975	1616000
1976	1618000
1977	1635000
1978	1638000
1979	1635000
1980	1611000
1981	1630000
1982	1588000
1983	1592000
1984	1580000
1985	1573000
1986	1561000
1987	1633000
1988	1615000
1989	1631000
1990	1600714
1991	1573441
1992	1551887
1993	1491319
1994	1524142
1995	1515183
1996	1406376
1997	1446943
1998	1425050
1999	1348472
2000	1238522
2001	1286500
2002	1319747
2003	1351565
2004	1307744
2005	1379377
2006	1319380
2007	1332386
2008	1316647
2009	1318971
2010	1318580
2011	1309000
2012	1324500
2013	1306500
2014	1258174
2015	1226457
2016	1219569
2017	1206343
2018	1209621
2019	1304434
2020	1333186
2021	1366223
2022	1325807