Year % of total freshwater withdrawal 1970 16.8269230769 1971 16.8189235436 1972 16.8111249264 1973 16.80351975 1974 16.7961009051 1975 16.7888616269 1976 16.78254444 1977 16.7763759976 1978 16.7703511073 1979 16.7644648156 1980 16.7587123944 1981 16.6703374118 1982 16.579756285 1983 16.4868853603 1984 16.3916367007 1985 16.2939178079 1986 16.1943755778 1987 16.0921735086 1988 15.9872035476 1989 15.8793517089 1990 15.7684976607 1991 16.274805623 1992 16.7691175813 1993 17.2518548779 1994 17.7234193513 1995 18.1841944522 1996 18.6345462827 1997 19.0748245671 1998 19.5053635573 1999 20.1740401222 2000 20.0138084518 2001 20.7310885481 2002 21.5066825176 2003 22.3480029312 2004 23.2637742804 2005 24.2643366536 2006 25.5297809437 2007 26.9177759157 2008 16.9209302326 2009 27.1819903832 2010 27.3537340256 2011 27.5243342018 2012 27.6938022937 2013 27.7777777778 2014 27.7651049892 2015 27.7524277524 2016 27.570230485 2017 27.3871119473 2018 27.2030651341 2019 27.1601297552 2020 27.1171437002