YearPToutPBase 100
201092.51%100
201193.33%100.8
201293.3%101.5
201395.11%102.3
201496.61%103
201596.67%103.8
201697.95%104.5
201799.54%105.3
2018100%106.1
201997.73%106.8
202098.41%107.6
Evolution : 7 % entre 2010 et 2020 soit 0.67 % de gain par an.