YearPToutPBase 100
201090.54%100
201191.78%100.8
201292.7%101.7
201395.35%102.5
201495.08%103.4
201596.08%104.2
201695.66%105.1
201794.57%105.9
201896.85%106.8
201998.35%107.6
2020100%108.5
Evolution : 8 % entre 2010 et 2020 soit 0.74 % de gain par an.