112 ??? ?? ? 10? ? 6?? 3? ?? ??? ??? ???? ??? ????.
29? ???? ??? ??? ???? ??? ? 293?7212?? 112 ?? ? 3? ?? ??? ??? ??? ?? 183?4497??? ??? 62.5%??.
3~5? ??? ??? ?? 86?8001?(29.5%), 5~10?? 20?2366?(6.9%)??? 10?? ?? ?? ??? 3?2348?(1.1%)???.
?? ????? ???? 3? ?? ??? ??? ?? ?? ??? ?? ??????? ?? ???? 2?6236? ??? 2?3293?(88.8%). ???? ??(82.6%) ??(77.7%) ??(75.7%) ??(65.3%) ?????(64.6%) ??? ????.
?? ?? ??? 5? ?? ?? ??? ?? ?? ??? ?? ??????? ?? ?? 5?6635?? ? 1?1769?(20.8%). ?? ??(20.3%) ??(19.8%) ??(12.6%) ??(8.8%) ?????(7.1%) ????.
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