| Year |
Indexation rate |
| 1966 |
|
| 1967 |
0,0% |
| 1968 |
2,0% |
| 1969 |
2,0% |
| 1970 |
2,0% |
| 1971 |
2,0% |
| 1972 |
2,0% |
| 1973 |
3,0% |
| 1974 |
8,2% |
| 1975 |
10,4% |
| 1976 |
11,2% |
| 1977 |
8,2% |
| 1978 |
7,5% |
| 1979 |
9,0% |
The catch-up rate was applied in January 1974, according to the year in which pension payment began (from 1967 to 1972), to compensate for a leveling off of rates since the Plan's inception.