Year % of total freshwater withdrawal 1970 35 1971 33.8772980789 1972 32.9023543034 1973 32.0478001086 1974 31.292633015 1975 30.620467365 1976 30.0183318057 1977 29.4758240163 1978 28.9845047039 1979 28.5374554102 1980 28.1289506953 1981 27.7542116107 1982 27.4092178771 1983 27.0905630807 1984 26.7953418158 1985 26.5210608424 1986 26.2655685014 1987 26.0269981548 1988 25.8037225042 1989 25.5943164223 1990 25.3975265018 1991 25.212245948 1992 25.037493751 1993 24.8723973102 1994 24.7161778619 1995 24.5681381958 1996 24.427652252 1997 24.2941562705 1998 24.1671412301 1999 24.0461463618 2000 23.9307535642 2001 23.3865972996 2002 22.8709288299 2003 22.3815681204 2004 21.9165520403 2005 21.4741080416 2006 21.0526315789 2007 20.6506666667 2008 20.2668890742 2009 19.9000917525 2010 19.5491721524 2011 19.4019674686 2012 19.3842645382 2013 18.7646014391 2014 18.237260737 2015 20.8276125758 2016 20.4560972279 2017 20.4560972279 2018 20.4560972279 2019 20.4560972279 2020 20.4560972279