Year	% of total freshwater withdrawal
1980	1.5255837854
1981	2.7062030263
1982	3.8438359526
1983	4.9407882845
1984	5.9992037382
1985	6.171787303
1986	6.3426063426
1987	6.5107769383
1988	6.6763602099
1989	6.8394154112
1990	7
1991	6.2383228116
1992	5.5016056022
1993	4.7886412516
1994	5.6306148137
1995	6.4615673594
1996	7.2817138714
1997	8.0912637766
1998	8.8904211252
1999	9.6793847618
2000	10.4583484904
2001	10.8061874167
2002	11.1529340093
2003	11.4985934055
2004	11.8431707105
2005	12.1866709978
2006	12.1711680112
2007	12.4277962542
2008	12.5906735751
2009	12.7601501194
2010	12.9786513046
2011	13.1754503002
2012	12.0835405271
2013	12.3410276238
2014	12.800400534
2015	13.2753720114
2016	15.9630475812
2017	16.5469768673
2018	17.6344443521
2019	18.6225337142
2020	20.1293674414
