The amount a member contributes each year is a set statute, and it is determined by the date of your membership into the System. If you became a member prior to January 1, 1975, your contribution rate is 5%. If your membership date was January 1, 1975 to December 31, 1983, your contribution rate is 7%. From January 1, 1984 to June 30, 1996, the contribution rate is 8%. For anyone who enters the System after June 30, 1996, the contribution rate is 9%. In addition to these contributions, any member who enters the System on or after January 1, 1979, must contribute an additional 2% of their salary in excess of $30,000.