How is going deltiology (last five years)
| Booming (much collectors than before) |    16 % |
| A little bit better than before | 31 % |
| Stable (as much collector as before) | 16 % |
| Slighly decreasing | 12 % |
| Decreasing (less collectors than before) | 6 % |
| no idea | 16 % |
Total Survey votes 86
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