YearPToutPBase 100
201097%100
201199.66%100.3
201294.43%100.6
201397.61%100.9
201491.95%101.1
201598.44%101.4
201698.73%101.7
201797.7%102
201898.57%102.3
2019100%102.6
202098.99%102.9
202199.15%103.2
Evolution : 3 % entre 2010 et 2021 soit 0.26 % de gain par an.