|
|
| Frequency | Percent | Valid Percent | Cumulative Percent | ||
|---|---|---|---|---|---|
| Valid | 5 years | 120 | 5.1 | 39.9 | 39.9 |
| 10 years | 116 | 4.9 | 38.5 | 78.4 | |
| 15 years | 38 | 1.6 | 12.6 | 91.0 | |
| 20 years | 27 | 1.1 | 9.0 | 100.0 | |
| Total | 301 | 12.7 | 100.0 | ||
| Missing | 88 | 14 | .6 | ||
| 99 | 892 | 37.6 | |||
| System | 1166 | 49.1 | |||
| Total | 2072 | 87.3 | |||
| Total | 2373 | 100.0 | |||