YearPToutPBase 100
201189.77%100
201288.57%101.3
201386.08%102.6
201483.3%103.9
201584.15%105.2
2016100%106.5
201796.72%107.8
201897.21%109.1
201993.94%110.5
202095.24%111.8
202196.45%113.1
Evolution : 13 % entre 2011 et 2021 soit 1.13 % de gain par an.