???
? ???1-10??32544.9??19.8%???3.9???19949?17%12595.9?24.6%???5.33.3???
“???”??????
?????(?)??2003923?2200?2006213?1150???(?)??????????????2015??22?40?????????3?????3900?????2?
IT??????10??????????77.5%28.3%14.3%????18.2%????11658.1?19.4%
????????10???????23.3%20%22.2%21.9%16%??????????65.1%????0.6???
????1-10???15759.2?21.8%??????48.4%???????
????????????????k“?”????15????4???k????????????????????????Ԩ?????????????1-10?????2.5?29.7?????
?????????????????????10?????51.6711???
?????????????????????????10??35.8%48.4%?96.5%??????IT????????
“??”????????????????1-10???289.3?30.7%
?????