Year	Water exploitation index (WEI), %
2000	65.1
2001	51.9
2002	21.9
2003	22.8
2004	39.7
2005	32.8
2006	42
2007	32.2
2008	64.7
2009	29.6
2010	24.5
2011	26.3
2012	50.5
2013	46.3
2014	51.7
2015	50.8
2016	46.2
2017	61.4