Until revised pursuant to Sections 31453 and 31454, the rate of contribution of each safety member is that percentage of his or her earnable compensation shown in the following tables according to age at the time of entry into the retirement system:

Age

Percentage

18  ……………………

 9.27

19  ……………………

 9.29

20  ……………………

 9.32

21  ……………………

 9.34

22  ……………………

 9.43

23 ……………………  

 9.53

24  ……………………

 9.63

25  ……………………

 9.73

26  ……………………

 9.83

27  ……………………

 9.94

28  ……………………

10.04

29  ……………………

10.15

30  ……………………

10.25

31  ……………………

10.36

32  ……………………

10.48

33  ……………………

10.59

34  ……………………

10.71

35  ……………………

10.82

36  ……………………

10.94

37  ……………………

11.06

38  ……………………

11.17

39  ……………………

11.30

40  ……………………

11.42

41  ……………………

11.55

42  ……………………

11.66

43  ……………………

11.79

44  ……………………

11.92

45  ……………………

12.04

46  ……………………

12.17

47  ……………………

12.30

48  ……………………

12.43

49 and over  ……………………

12.56

(Amended by Stats. 1986, Ch. 840, Sec. 5.)