Year	% of total freshwater withdrawal
1970	8
1971	8.5193161055
1972	9.0171267894
1973	9.4947407964
1974	9.9533627884
1975	10.3941034898
1976	10.8179886686
1977	11.2259671068
1978	11.6189176899
1979	11.9976557267
1980	12.3629385965
1981	12.7154708037
1982	13.0559085133
1983	13.3848636269
1984	13.7029074529
1985	14.0105740181
1986	14.3083630598
1987	14.5967427345
1988	14.8761520737
1989	15.1470032142
1990	15.4096834264
1991	15.664556962
1992	15.911966739
1993	16.152235881
1994	16.3856691254
1995	16.6125541126
1996	16.8331625683
1997	17.0477513896
1998	17.2565636424
1999	17.4598294802
2000	17.6577669903
2001	15.0763220719
2002	12.7229982022
2003	11.4531138153
2004	10.4404087935
2005	9.6139402133
2006	8.9266607563
2007	8.3461392057
2008	7.8492935636
2009	7.8492935636
2010	7.8492935636
2011	7.8492935636
2012	7.8492935636
2013	7.8492935636
2014	7.8492935636
2015	7.8492935636
2016	7.8492935636
2017	7.8492935636
2018	7.8492935636
2019	7.8492935636
2020	7.8492935636