|
FISCAL
|
MEAN
|
MEAN MONTHS
| ||
|
YEAR
|
AGE
|
OF SERVICE
| ||
|
1973
|
25.02
|
69.82
| ||
|
1974
|
24.97
|
69.59
| ||
|
1975
|
24.92
|
68.17
| ||
|
1976
|
24.93
|
67.60
| ||
|
1977
|
24.93
|
66.52
| ||
|
1978
|
25.01
|
67.26
| ||
|
1979
|
25.07
|
67.74
| ||
|
1980
|
25.01
|
66.51
| ||
|
1981
|
25.14
|
67.07
| ||
|
1982
|
25.37
|
68.63
| ||
|
1983
|
25.56
|
69.99
| ||
|
1984
|
25.69
|
71.09
| ||
|
1985
|
25.81
|
72.29
| ||
|
1986
|
25.92
|
73.12
| ||
|
1987
|
26.09
|
74.76
| ||
|
1988
|
26.26
|
76.73
| ||
|
1989
|
26.36
|
78.01
| ||
|
1990
|
26.66
|
81.77
| ||
|
1991
|
26.95
|
84.80
| ||
|
1992
|
27.08
|
86.35
| ||
|
1993
|
27.21
|
87.70
| ||
|
1994
|
27.33
|
89.58
| ||
|
1995
|
27.36
|
89.33
| ||
|
1996
|
27.41
|
89.64
| ||
|
1997
|
27.41
|
89.20
| ||
|
1998
|
27.34
|
88.37
| ||
|
1999
|
27.26
|
87.28
| ||
|
2000
|
27.10
|
85.53
| ||