YearPToutPBase 100
201192.21%100
201294.05%100.8
201394.27%101.6
201496.29%102.4
201596.73%103.2
201698.78%103.9
201799.58%104.7
201898.9%105.5
2019100%106.3
202099.04%107.1
202199.4%107.9
Evolution : 7 % entre 2011 et 2021 soit 0.69 % de gain par an.