YearPToutPBase 100
201193.66%100
201290.36%100.2
2013100%100.5
201497.6%100.7
201595.16%101
201692.7%101.2
201790.83%101.4
201894.61%101.7
201995.19%101.9
202096.99%102.1
202198.23%102.4
Evolution : 2 % entre 2011 et 2021 soit 0.22 % de gain par an.