YearPToutPBase 100
201184.48%100
201282.52%102.2
201386.41%104.5
201474.54%106.7
201566.66%108.9
201681.1%111.2
2017100%113.4
201898.83%115.6
201995.88%117.9
202093.48%120.1
202192.07%122.3
Evolution : 22 % entre 2011 et 2021 soit 1.85 % de gain par an.