Year % of total freshwater withdrawal 1970 8 1971 8.5193161055 1972 9.0171267894 1973 9.4947407964 1974 8.042313377680763 1975 8.224438331058598 1976 8.369181206037403 1977 8.505463458548071 1978 8.634005844295999 1979 8.755449511110033 1980 5.688835376346813 1981 5.6910763505338355 1982 5.693198197663869 1983 5.695210170873973 1984 0.47358203213572136 1985 0.5360674513277726 1986 0.5995963835989465 1987 1.2957632043383909 1988 1.461154773607639 1989 1.6266115223602007 1990 5.192928607103349 1991 5.079936194612051 1992 5.077207893802131 1993 5.003410835494905 1994 4.780909625532241 1995 4.8091803474172705 1996 4.820277029795786 1997 4.8310318164272426 1998 4.841310569086859 1999 4.851225963811616 2000 4.956718755148104 2001 4.943454227149314 2002 4.475001080394247 2003 4.449947583886999 2004 4.448699560670059 2005 4.476369236078395 2006 4.485128973135812 2007 4.4839737914431765 2008 4.474288793493259 2009 4.489936335188665 2010 4.490197217513893 2011 4.499510850633609 2012 3.4720637805466477 2013 3.3855597519215794 2014 4.36964491399792 2015 5.368647155902702 2016 5.819469534482648 2017 5.966820466080807 2018 5.850732244858224 2019 6.30615794277644 2020 6.1137303102054545