: 91.1%

93.1% 72 % 1.76% 19.69%.

3 .

72.94 2011 .

9.65 2011 10.41 2010.

25 .

23.98 2011 17.1 .

220 3 (á ȡ ) û ( ) () , , Ȼ û. ̻ û Ȼ.