1977 (18% increase of class 4 over class 1.) | 1 | 8 | 4.244 | .390 | |
2 | 17 | 4.374 | .385 | 82.8 |
3 | 33 | 5.221 | .423 | |
4 | 35 | 5.019 | .378 | |
1978 (10.94% increase of class 4 over class 1.) | 1 | 7 | 4.550 | .403 | |
2 | 17 | 4.563 | .388 | 84.4 |
3 | 33 | 5.288 | .428 | |
4 | 37 | 5.048 | .380 | |
1979 (27.01% increase of class 4 over class 1.) | 1 | 5 | 3.114 | .378 | |
2 | 20 | 3.900 | .390 | 79.5 |
3 | 35 | 4.168 | .416 | |
4 | 35 | 3.958 | .379 | |