YearPToutPBase 100
200991.02%100
201090.29%100.7
201195.43%101.4
201295.54%102.1
201393.67%102.7
201495.02%103.4
201595.44%104.1
201691.92%104.8
201795.21%105.5
201897.18%106.2
201999.14%106.8
202098.33%107.5
2021100%108.2
Evolution : 8 % entre 2009 et 2021 soit 0.61 % de gain par an.