YearPToutPBase 100
201193.57%100
201293.55%100.6
201393.61%101.2
201491.67%101.8
201592.62%102.4
201693.34%103.1
201793.94%103.7
2018100%104.3
201998.16%104.9
202097.94%105.5
202196.13%106.1
Evolution : 6 % entre 2011 et 2021 soit 0.54 % de gain par an.