Year % of total freshwater withdrawal 1975 1.4299802761 1976 1.4945173745 1977 1.55950214 1978 1.6235915712 1979 1.6881286695 1980 1.7526657679 1981 1.8165645987 1982 1.8808854103 1983 1.9447837772 1984 2.0085417938 1985 2.072159922 1986 2.2621809745 1987 2.4489600307 1988 2.6325793575 1989 2.813118462 1990 2.9906542056 1991 3.5062056738 1992 3.9713322091 1993 4.3930868167 1994 4.777265745 1995 5.1286764706 1996 5.4513399154 1997 5.7486449864 1998 6.0234680574 1999 6.2782663317 2000 6.5151515152 2001 6.3697104677 2002 6.2155963303 2003 6.0520094563 2004 5.8780487805 2005 5.6926952141 2006 5.4947916667 2007 5.2830188679 2008 5.0558659218 2009 4.8115942029 2010 4.5481927711 2011 4.263322884 2012 3.954248366 2013 3.6177474403 2014 3.25 2015 3.1786941581 2016 3.1906614786 2017 2.6700719759 2018 3.1873696753 2019 12.1865065348 2020 12.1865065348