| Total events | Coverage | Accumulated (%) |
Zero | 60 | 10.2 | 10.2 |
1 - 10 | 346 | 58.7 | 68.9 |
11 - 20 | 75 | 12.7 | 81.6 |
21 - 30 | 38 | 6.5 | 88.1 |
31 - 40 | 16 | 2.7 | 90.8 |
41 - 50 | 14 | 2.3 | 93.1 |
51 - 60 | 12 | 2.0 | 95.1 |
61 - 70 | 11 | 1.8 | 96.9 |
71 - 80 | 6 | 1.0 | 97.9 |
More than 80 | 11 | 1.8 | 100.0 |