Year % of total freshwater withdrawal 1970 52 1971 53.4600289196 1972 54.727904284100006 1973 55.8392178164 1974 56.8212824011 1975 57.6954069299 1976 58.4784601283 1977 59.1839697982 1978 59.822910902 1979 60.4042806183 1980 74.31071049873252 1981 77.29539203146591 1982 79.68942289973347 1983 81.31742240397936 1984 82.6246967597737 1985 82.18735657004633 1986 82.08928468888205 1987 76.72303314161394 1988 75.87618648050322 1989 74.89788542141781 1990 74.01866278434169 1991 73.1884743524216 1992 72.48619812973062 1993 72.03775793720168 1994 71.63027452189714 1995 71.02300521357174 1996 70.46591657498095 1997 69.91010521778371 1998 69.42597441897443 1999 68.67448225307109 2000 68.03020169045547 2001 67.75482360222256 2002 67.23933821761693 2003 66.27529952619165 2004 65.33991979996298 2005 64.51566101660198 2006 64.43063998592862 2007 64.34444984168125 2008 64.26605839009216 2009 64.19529976234936 2010 64.13107712472672 2011 64.45003123727918 2012 64.76604366298224 2013 64.79722219802584 2014 64.84274717846753 2015 64.98156120443376 2016 65.0102101977254 2017 64.82247455942449 2018 66.36965267765899 2019 66.54405313878414 2020 66.54405313878414