YearPToutPBase 100
201189.5%100
201297.33%100.6
201396.6%101.1
201497.81%101.7
201599.44%102.3
201696.83%102.9
201799.16%103.4
2018100%104
201998.89%104.6
202096.18%105.1
Evolution : 5 % entre 2011 et 2020 soit 0.50 % de gain par an.