| Item | f | % | |
| Frequency | Valid percent | Cumulative percent | |
| Friend | 80 | 34.6 | 34.6 |
| Group of the same tastes | 69 | 29.9 | 64.5 |
| Club member | 56 | 24.2 | 88.7 |
| Neighbor | 16 | 6.9 | 95.7 |
| Others | 10 | 4.3 | 100 |
| Subtotal | 231 | 100 | |