| Frequency | Percent | Valid Percent | Cumulative Percent | |
Valid | less than a year | 18 | 29.5 | 29.5 | 29.5 |
2 - 4 years | 13 | 21.3 | 21.3 | 50.8 | |
4 - 5 years | 21 | 34.4 | 34.4 | 85.2 | |
5 - 8 years | 7 | 11.5 | 11.5 | 96.7 | |
greater than 8 years | 2 | 3.3 | 3.3 | 100.0 | |
Total | 61 | 100.0 | 100.0 |
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