YearPToutPBase 100
201292.52%100
201393.8%100.8
201493.73%101.5
201596.83%102.3
201695.29%103.1
201797.85%103.8
201897.66%104.6
2019100%105.4
202096.9%106.1
202199.12%106.9
Evolution : 6 % entre 2012 et 2021 soit 0.67 % de gain par an.