YearPToutPBase 100
201191.39%100
201293.21%100.8
201393.43%101.5
201495.43%102.3
201595.86%103
201697.93%103.8
201799.05%104.5
201898.17%105.3
201999.13%106.1
202098.15%106.8
202198.37%107.6
2022100%108.3
Evolution : 8 % entre 2011 et 2022 soit 0.67 % de gain par an.