YearPToutPBase 100
201191.24%100
201295.89%100.6
201395.51%101.2
201495.66%101.8
201596.79%102.4
201697.01%103
201799.57%103.6
2018100%104.2
201999.45%104.8
202098.44%105.4
202196.9%106
Evolution : 6 % entre 2011 et 2021 soit 0.53 % de gain par an.