YearPToutPBase 100
201151.54%100
201251.9%104.2
201351.92%108.4
201452.62%112.6
201548.66%116.9
201647.72%121.1
201747.51%125.3
201847.7%129.5
201943.51%133.7
202052.18%137.9
2021100%142.1
Evolution : 42 % entre 2011 et 2021 soit 3.25 % de gain par an.