| Value | Category | Cases | |
|---|---|---|---|
| 1960-64 | 144 |
10%
|
|
| 1965-69 | 144 |
10%
|
|
| 1970-74 | 144 |
10%
|
|
| 1975-79 | 144 |
10%
|
|
| 1980-84 | 144 |
10%
|
|
| 1985-89 | 144 |
10%
|
|
| 1990-94 | 144 |
10%
|
|
| 1995-99 | 144 |
10%
|
|
| 2000-04 | 144 |
10%
|
|
| 2005-09 | 144 |
10%
|