parc/ile derivation 25 23.3 24 23 22.9 22 22 22 18 18.5 22.9 21.8 23 21.6 19.5 20 20 21.9 21.5 21.5 22.6 24 26 23.8 22.7 23.1 22 22.4 24.3 27.4 22.2 21.9 23 22.3 22.5 23 23.1 25 25 25