| Frequency | Percent | Valid Percent | Cumulative Percent | |
Valid | Low extent | 14 | 11.5 | 11.5 | 11.5 |
| Moderate extent | 34 | 27.9 | 27.9 | 39.3 |
| High extent | 40 | 32.8 | 32.8 | 72.1 |
| Very High extent | 34 | 27.9 | 27.9 | 100.0 |
| Total | 122 | 100.0 | 100.0 |
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