YearPToutPBase 100
201192.5%100
201257.98%102.6
201395.91%105.2
201495.58%107.7
201595.15%110.3
201693.56%112.9
201797.97%115.5
201894.29%118
201998.85%120.6
2020100%123.2
Evolution : 23 % entre 2011 et 2020 soit 2.11 % de gain par an.