YearPToutPBase 100
201085.29%100
201193.45%100.8
201294.21%101.6
201392.43%102.4
201492.28%103.2
201592.24%104
201691.38%104.8
2017100%105.6
201897.07%106.4
201999.37%107.1
202094%107.9
202196.02%108.7
Evolution : 8 % entre 2010 et 2021 soit 0.70 % de gain par an.