Year % of total freshwater withdrawal 1970 35 1971 33.8772980789 1972 32.9023543034 1973 32.0478001086 1974 31.292633015 1975 30.620467365 1976 30.018331805699997 1977 29.475824016300002 1978 28.9845047039 1979 28.5374554102 1980 18.796394485399343 1981 16.652032578123627 1982 14.934335297236224 1983 13.754707256004005 1984 12.807472638472746 1985 13.617640178550722 1986 13.650066879895629 1987 16.242779984224633 1988 16.912552480977947 1989 17.578638746044234 1990 18.177284411872936 1991 18.583831758071007 1992 18.900327124217714 1993 19.056354821572377 1994 19.198016879804197 1995 19.7335481652005 1996 20.22482624202944 1997 20.7075506618233 1998 21.15466736835531 1999 21.834770102678128 2000 22.41530168617609 2001 22.619023656928093 2002 23.00383092508429 2003 23.7318527775304 2004 24.438684538086786 2005 25.065738460420693 2006 25.3037055263738 2007 25.534324970494897 2008 25.753411519583793 2009 25.962634186994872 2010 26.163065301621135 2011 25.92175992188918 2012 25.682180227771685 2013 25.687828085676497 2014 25.681855004637534 2015 25.651813965188342 2016 25.653018158218792 2017 25.80676150212853 2018 24.671287126599772 2019 24.544867274649867 2020 24.54486727464987