| Value | Category | Cases | |
|---|---|---|---|
| 1 | Zero | 2122 |
71.7%
|
| 2 | one | 401 |
13.5%
|
| 3 | 2 to 5 | 238 |
8%
|
| 4 | 6 to 10 | 64 |
2.2%
|
| 5 | 11 to 20 | 53 |
1.8%
|
| 6 | 1 to 5 packs | 40 |
1.4%
|
| 7 | more than 5 packs | 43 |
1.5%
|
| Sysmiss | 24 |