Year % of total freshwater withdrawal 1970 3.2408544071 1971 3.2553195595 1972 3.269784712 1973 3.2845117026 1974 3.2987150168 1975 3.3131801693 1976 3.33247302 1977 3.3517658707 1978 3.3710587214 1979 3.3903515721 1980 3.4096444228 1981 3.4096444228 1982 3.4096444228 1983 3.4096444228 1984 3.4096444228 1985 3.4096444228 1986 3.8946336621 1987 4.3793780811 1988 4.8638778649 1989 5.3481331988 1990 5.389019872 1991 5.6210030293 1992 5.8526740666 1993 5.6899979434 1994 5.5210007687 1995 5.3453068206 1996 5.4375407816 1997 5.5330136481 1998 5.548794813 1999 5.5644862124 2000 5.5803571429 2001 5.0476724621 2002 5.0448430493 2003 5.0561797753 2004 5.0675675676 2005 4.0684410646 2006 4.0684410646 2007 4.0684410646 2008 3.9250220153 2009 3.7837162837 2010 3.6444775009 2011 3.5564694235 2012 3.4641491769 2013 3.367191874 2014 3.2652391501 2015 3.1578947368 2016 3.4751037344 2017 3.8096083829 2018 4.1628628811 2019 4.5364891519 2020 4.1062801932