YearPToutPBase 100
201192.36%100
201292.16%100.5
201391.91%100.9
201492.8%101.4
201591.98%101.8
201690.66%102.3
201790.99%102.8
201888.88%103.2
201995.36%103.7
2020100%104.2
Evolution : 4 % entre 2011 et 2020 soit 0.41 % de gain par an.