| . | Total accidents . | Fatal accidents . | ||
|---|---|---|---|---|
| Period . | Mean . | SD . | Mean . | SD . |
| 1 | 36.34 | 19.22 | 0.39 | 0.64 |
| 2 | 37.46 | 19.99 | 0.39 | 0.65 |
| 3 | 37.47 | 19.63 | 0.40 | 0.66 |
| 4 | 39.29 | 20.08 | 0.43 | 0.67 |
| 5 | 36.03 | 18.43 | 0.53 | 0.75 |
| 6 | 29.88 | 15.29 | 0.53 | 0.76 |
| 7 | 32.85 | 17.07 | 0.40 | 0.66 |
| . | Total accidents . | Fatal accidents . | ||
|---|---|---|---|---|
| Period . | Mean . | SD . | Mean . | SD . |
| 1 | 36.34 | 19.22 | 0.39 | 0.64 |
| 2 | 37.46 | 19.99 | 0.39 | 0.65 |
| 3 | 37.47 | 19.63 | 0.40 | 0.66 |
| 4 | 39.29 | 20.08 | 0.43 | 0.67 |
| 5 | 36.03 | 18.43 | 0.53 | 0.75 |
| 6 | 29.88 | 15.29 | 0.53 | 0.76 |
| 7 | 32.85 | 17.07 | 0.40 | 0.66 |
Source: Authors’ calculations.
| . | Total accidents . | Fatal accidents . | ||
|---|---|---|---|---|
| Period . | Mean . | SD . | Mean . | SD . |
| 1 | 36.34 | 19.22 | 0.39 | 0.64 |
| 2 | 37.46 | 19.99 | 0.39 | 0.65 |
| 3 | 37.47 | 19.63 | 0.40 | 0.66 |
| 4 | 39.29 | 20.08 | 0.43 | 0.67 |
| 5 | 36.03 | 18.43 | 0.53 | 0.75 |
| 6 | 29.88 | 15.29 | 0.53 | 0.76 |
| 7 | 32.85 | 17.07 | 0.40 | 0.66 |
| . | Total accidents . | Fatal accidents . | ||
|---|---|---|---|---|
| Period . | Mean . | SD . | Mean . | SD . |
| 1 | 36.34 | 19.22 | 0.39 | 0.64 |
| 2 | 37.46 | 19.99 | 0.39 | 0.65 |
| 3 | 37.47 | 19.63 | 0.40 | 0.66 |
| 4 | 39.29 | 20.08 | 0.43 | 0.67 |
| 5 | 36.03 | 18.43 | 0.53 | 0.75 |
| 6 | 29.88 | 15.29 | 0.53 | 0.76 |
| 7 | 32.85 | 17.07 | 0.40 | 0.66 |
Source: Authors’ calculations.
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