年份

引水量(亿m3)

排水量(亿m3)

耗水量(亿m3)

耗水系数

2001

13.634

8.365

5.269

0.39

2002

13.681

7.244

6.437

0.47

2003

10.035

6.419

3.616

0.36

2004

13.475

7.324

6.151

0.46

2005

12.957

8.363

4.594

0.35

2006

13.807

8.309

5.498

0.40

2007

10.985

7.495

3.49

0.32

2008

11.726

7.609

4.117

0.35

2009

10.796

6.614

4.182

0.39

2010

11.619

6.505

5.114

0.44

2011

11.301

6.913

4.388

0.39

2012

10.306

6.298

4.008

0.39