YearPToutPBase 100
201189.36%100
201292.58%100.8
201396.68%101.6
201493.93%102.4
201594.47%103.2
201697.73%103.9
201795.68%104.7
2018100%105.5
201995.37%106.3
202097.73%107.1
Evolution : 7 % entre 2011 et 2020 soit 0.69 % de gain par an.