YearPToutPBase 100
201291.78%100
201394.04%100.6
201495.32%101.3
201592.82%101.9
201696.21%102.6
201798.98%103.2
2018100%103.8
201997.62%104.5
202096.26%105.1
202196.98%105.7
Evolution : 5 % entre 2012 et 2021 soit 0.56 % de gain par an.