YearPToutPBase 100
201095.31%100
201195.53%100.2
201293.65%100.5
201394.84%100.7
201496.98%101
201598.94%101.2
201698.61%101.5
201789.42%101.7
201897.11%102
201998.9%102.2
2020100%102.5
202195.14%102.7
202298.09%103
Evolution : 3 % entre 2010 et 2022 soit 0.23 % de gain par an.