Schedule
| Tax year | Increase |
|---|---|
| 1978–79 | 211.5 |
| 1979–80 | 174.9 |
| 1980–81 | 129.7 |
| 1981–82 | 92.3 |
| 1982–83 | 74.7 |
| 1983–84 | 62.3 |
| 1984–85 | 50.2 |
| 1985–86 | 41.0 |
| 1986–87 | 29.4 |
| 1987–88 | 20.5 |
| 1988–89 | 10.8 |
| Tax year | Increase |
|---|---|
| 1978–79 | 211.5 |
| 1979–80 | 174.9 |
| 1980–81 | 129.7 |
| 1981–82 | 92.3 |
| 1982–83 | 74.7 |
| 1983–84 | 62.3 |
| 1984–85 | 50.2 |
| 1985–86 | 41.0 |
| 1986–87 | 29.4 |
| 1987–88 | 20.5 |
| 1988–89 | 10.8 |