YearPToutPBase 100
200983.34%100
201075.61%100.2
201182.04%100.4
201283.4%100.6
2013100%100.8
201483.63%101
201586.08%101.2
201683.11%101.4
201784.08%101.6
201882.36%101.8
201984.41%102
202084.87%102.2
202185.08%102.4
Evolution : 2 % entre 2009 et 2021 soit 0.18 % de gain par an.