Effective Date
|
Year
|
Amount of Increase
|
December 1
|
1997
|
2.1
|
December 1
|
1996
|
2.9
|
March 1
|
1996
|
2.6
|
March 1
|
1995
|
2.8
|
March 1
|
1994
|
2.6
|
|
1993
|
0.0
|
December 1
|
1992
|
3.0
|
December 1
|
1991
|
3.7
|
December 1
|
1990
|
5.4
|
December 1
|
1989
|
4.7
|
December 1
|
1988
|
4.0
|
December 1
|
1987
|
4.2
|
December 1
|
1986
|
1.3
|
December 1
|
1985
|
0.0
|
December 1
|
1984
|
3.5
|
April 1
|
1983
|
3.9 *
|
March 1
|
1982
|
8.7
|
March 1
|
1981
|
4.4
|
September 1
|
1980
|
7.7
|
March 1
|
1980
|
6.0
|
September 1
|
1979
|
6.9
|
March 1
|
1979
|
3.9
|
September 1
|
1978
|
4.9
|
March 1
|
1978
|
2.4
|
September 1
|
1977
|
4.3
|
March 1
|
1977
|
4.8
|
March 1
|
1976
|
5.4
|
August 1
|
1975
|
5.1
|
January 1
|
1975
|
7.3
|
July 1
|
1974
|
6.3
|
January 1
|
1974
|
5.5
|
July 1
|
1973
|
6.1
|
July 1
|
1972
|
4.8
|
June 1
|
1971
|
4.5
|
August 1
|
1970
|
5.6
|
November 1
|
1969
|
5.0
|
March 1
|
1969
|
3.9
|
May 1
|
1968
|
3.9
|
January 1
|
1967
|
3.9
|
* 3.3 for non-disabled employee annuitants under age 62.