YearPToutPBase 100
201169.43%100
201297.67%101.9
201392.44%103.8
201498.95%105.6
201597.23%107.5
201696.31%109.4
201790.1%111.3
201897.19%113.2
201997.18%115
2020100%116.9
Evolution : 16 % entre 2011 et 2020 soit 1.57 % de gain par an.