????????(?? ???)? ?? ?? 7? ?? ??? 343?? ??? 35? ??? ???? ???? ??? ?? ???? 200?~300??? ???? ??? 38.8%? ?? ???. ? ??? 100?~200??(29.8%). ?? ?? ??? ??? ?? ???? 244?3562????.
??? ??? 200?~400??(32.1%)? ?? ??? ? ??? 400?~600??(22.6%)???. ?? 639?3874?. ??? ???? ?? ?? ?? ? ??? 4300???, ????40???? ????.
????? ?? ???? 64.4%? ???? ???? ????? ? ?????? 10.2%, ???? 9.6%, ?? 9.3%??. ?????? ?? ?? ? ??? ??? ???? ??? ? ?? ??? ?? ??? 5.2%? ????. ??? ??? 500?~1000??(40.9%)? ?? ??? 1000?~1500??(25.5%), 1500?~2000??(13.8%), 2000?~3000??(9.3%) ????.
?? ??? ??? ? ?? ???? ??? ?? ?? 10?4847?, ??? ???? 4?7057?, ????? ???? 3?4910??? ????. ???? ????? ??? ??? ???? ?? ???? 85.7%? ??? ???? ???. 70.8%? ‘?? ????’, 14.9%? ‘?? ????’? ???.
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