participation5 - repartition of attendance along 31 meetings

at the bottom sustaining the IC process those with 5 attendance in 5 meetings , then 4 , 3 , 2, 1 0

the effect of the empty presence list of dakar 2010 and dhaka 2011 are quite visible , only in tunis ( 5 meeetings later) it is possible to get rid of dakar 2010 void effect is quite visible