Table 3.
Number of cells significant in years | |||||
Distance (m) | 1 | 2 | 3 | 4 | Total |
150 | 138 | 2 | 0 | 0 | 140 |
250 | 86 | 0 | 0 | 0 | 86 |
500 | 87 | 0 | 0 | 0 | 87 |
750 | 87 | 2 | 0 | 0 | 89 |
1000 | 165 | 3 | 0 | 0 | 168 |
Number of cells significant regardless of distance |
482 | 42 | 2 | 0 | 526 |