YearPToutPBase 100
201092.03%100
201194.46%100.6
201294.93%101.1
201397.64%101.7
201497.98%102.3
201598.66%102.8
201697.35%103.4
201797.56%104
2018100%104.5
201998.35%105.1
202097.79%105.7
Evolution : 5 % entre 2010 et 2020 soit 0.51 % de gain par an.