YearPToutPBase 100
200989.72%100
201094.19%100.2
201199.29%100.5
201297.51%100.7
201397.11%101
201498.61%101.2
201599.84%101.4
2016100%101.7
201799.82%101.9
201898.49%102.2
201998.56%102.4
202096.99%102.6
202193.26%102.9
Evolution : 2 % entre 2009 et 2021 soit 0.22 % de gain par an.