| Frequency | Percent | Valid Percent | Cumulative Percent | |
Valid | Low extent | 16 | 13.1 | 13.1 | 13.1 |
| Moderate extent | 32 | 26.2 | 26.2 | 39.3 |
| High extent | 46 | 37.7 | 37.7 | 77.0 |
| Very High extent | 28 | 23.0 | 23.0 | 100.0 |
| Total | 122 | 100.0 | 100.0 |
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