| Value | Category | Cases | |
|---|---|---|---|
| 1 | It was main use - more than 80% | 2 |
4.3%
|
| 2 | It was important use - 60-80% | 0 |
0%
|
| 3 | It was medium use - 40-60% | 0 |
0%
|
| 4 | It was less important use - 20-40% | 0 |
0%
|
| 5 | It was not significant use - Less than 20% | 1 |
2.1%
|
| 6 | It was not used - 0% | 44 |
93.6%
|
| Sysmiss | 253 |