YearPToutPBase 100
201193.43%100
201294.37%100.4
201396.14%100.8
201496.65%101.2
201596.6%101.6
201698.59%102
201797.15%102.4
201897.35%102.8
201997.06%103.2
2020100%103.6
202196.3%104
Evolution : 4 % entre 2011 et 2021 soit 0.36 % de gain par an.