Year % of total freshwater withdrawal 1975 13.6816502175 1976 13.6816502175 1977 13.6816502175 1978 13.6816502175 1979 13.6816502175 1980 13.6816502175 1981 13.3076889766 1982 12.9467888821 1983 12.5982774086 1984 12.2615274236 1985 11.9359534207 1986 10.9760256987 1987 10.1966500309 1988 9.5512653891 1989 9.0080531183 1990 9.4325023319 1991 8.625854826 1992 9.6518619889 1993 8.9811451828 1994 9.2625043237 1995 10.6224048628 1996 9.7282328462 1997 9.9068430132 1998 9.3876858551 1999 8.9214211089 2000 8.5001075963 2001 8.6147681265 2002 9.3513068366 2003 8.9971531117 2004 8.9918164353 2005 8.9967369348 2006 9.0075750412 2007 8.7873973229 2008 9.9287141336 2009 11.0657624523 2010 12.1985661806 2011 13.3271490414 2012 15.3598389532 2013 15.274559194 2014 15.2062115559 2015 15.1291885345 2016 16.6436464088 2017 16.646931123 2018 16.6666666667 2019 16.678200692 2020 16.6666666667