http://mycpf.cpf.gov.sg/CPF/my-cpf/r.../Reach55-2.htm
You see in 2003, it was so crystal clear that 80k min sum in CFP SA is a joke for retirement ... it has to be inflated so that Singaporeans save more into CPF SA to prepare for retirement
In 2003, CPF min sum was 80k, after 10y, 148k
About 6.2% pa compound