Year hectares 1961 16246000 1962 16296000 1963 16205000 1964 15919000 1965 15966000 1966 15509000 1967 15740000 1968 15692000 1969 16082000 1970 15690000 1971 16339000 1972 16288000 1973 16054000 1974 15918000 1975 15821000 1976 15657000 1977 15630000 1978 15640000 1979 15578000 1980 15558000 1981 15569000 1982 15565000 1983 15592000 1984 15651000 1985 15564000 1986 15565000 1987 15584000 1988 15577000 1989 15512000 1990 15335000 1991 15258000 1992 15201000 1993 14982000 1994 14806000 1995 14045000 1996 14450000 1997 14285000 1998 13684000 1999 13463000 2000 13400000 2001 13064000 2002 12909000 2003 13017000 2004 13025000 2005 12913000 2006 12720000 2007 12586000 2008 12488000 2009 12497000 2010 12528000 2011 12429000 2012 12570000 2013 12181000 2014 12278000 2015 12278220 2016 12337180 2017 12253767 2018 11884251.9 2019 11812314.6 2020 11639398.1 2021 11550053.4