Year hectares 1961 9853000 1962 9922000 1963 9853000 1964 9827000 1965 9814000 1966 9797000 1967 9799000 1968 9797000 1969 9771000 1970 9733000 1971 9728000 1972 9713000 1973 9658000 1974 9703000 1975 9741000 1976 9760000 1977 9781000 1978 9803000 1979 9817000 1980 9834000 1981 9849000 1982 9870000 1983 9904000 1984 9935000 1985 9985000 1986 10005000 1987 10080000 1988 10107000 1989 9458000 1990 9450000 1991 9423000 1992 9357000 1993 9341000 1994 9339000 1995 9337000 1996 9337000 1997 9346000 1998 9325000 1999 9332000 2000 9381000 2001 9371000 2002 9376000 2003 9377000 2004 8915000 2005 8985000 2006 8939000 2007 8675000 2008 8721000 2009 8789000 2010 9146000 2011 8995000 2012 8798000 2013 8746000 2014 8778000 2015 8778000 2016 8582000 2017 8543000 2018 8686000 2019 8966000 2020 8483000 2021 8588000