1
2005 83%81% 2
HDB 1960 1960 87.6 5 HDB 5 22 2 1964 19689 3
Central Provident Fund 2.5% 4.4% 6 1 4
5
6 2008 20699.78 8583.54 6094.16 5616.27 3193.02 2008 1796.26 1002.34 652.08 55.11 70
7
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25 230 = / 400 /
26