| YDCN Enquete 1 |  created on 13-sep-2003, online for 564 days | | | | YDCN Enquete 2 |  created on 13-sep-2003, online for 564 days | |
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| YDCN Enquete 3 |  created on 13-sep-2003, online for 564 days | | | | YDCN Enquete 4 |  created on 11-feb-2004, online for 413 days | |
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| YDCN Enquete 5 |  created on 22-jun-2004, online for 280 days | | | | YDCN Enquete 6 |  created on 28-jun-2004, online for 275 days | |
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| YDCN Enquete 7 |  created on 24-sep-2004, online for 187 days | | | | YDCN Enquete 8 |  created on 24-sep-2004, online for 187 days | |
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| YDCN Enquete 9 |  created on 07-feb-2005, online for 51 days | | | | YDCN Enquete 10 |  created on 30-mar-2005, online for 254 days | |
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| YDCN Enquete 11 |  created on 01-apr-2005, online for 233 days | | | | YDCN Enquete 12 |  created on 27-apr-2005, online for 21 days | |
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| YDCN Enquete 13 |  created on 16-jul-2005, online for 127 days | | | | YDCN Enquete 14 |  created on 16-jul-2005, online for 21 days | |
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| YDCN Enquete 15 |  created on 16-jul-2005, online for 127 days | | | | YDCN Enquete 16 |  created on 20-nov-2005, online for 60 days | |
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| YDCN Enquete 17 |  created on 20-nov-2005, online for 60 days | | | | YDCN Enquete 18 |  created on 16-dec-2005, online for 60 days | |
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