YearPToutPBase 100
201087.62%100
201198.97%100.3
2012100%100.6
201396.45%100.9
201497.23%101.2
201596.71%101.6
201698.21%101.9
201798.2%102.2
201896.44%102.5
201998.64%102.8
202096.52%103.1
202197.81%103.4
Evolution : 3 % entre 2010 et 2021 soit 0.28 % de gain par an.