30cmˆÈ�ã‚Ì�Ï�á“ú�”
6�…�ƒ10 10�…�ƒ20 20�…�ƒ30 30�…�ƒ40 40�…�ƒ50 50�…�ƒ60 60�…�ƒ70 70�… �‡Œv
‘� ‹æ ‰æ �” 5323 663 414 368 327 290 369 1683 9438
(56.4) (7.0) (4.4) (3.9) (3.5) (3.5) (3.9) (17.8) (100.0)
�¶‘§‹æ‰æ�” 2908 205 113 87 98 98 50 56 3575
(81.3) (5.7) (3.2) (2.4) (2.7) (2.7) (1.4) (1.6) (100.0)
�â–Å‹æ‰æ�” 123 6 4 3 3 3 0 13 155
(79.4) (3.9) (2.6) (1.9) (1.9) (1.9) (0.0) (8.4) (100.0)
–³�î•ñ‹æ‰æ�” 2294 452 297 278 226 226 319 1613 5708
(40.2) (7.9) (5.2) (4.9) (4.0) (4.0) (5.6) (28.3) (100.0)
‹C�Û’¡”­�s�u“s“¹•{Œ§‹C�ÛŒŽ•ñ�i1968-1978�j�v‚©‚çŒvŽZ

�@

–{•¶‚Ö

–ÚŽŸ‚Ö