Created with Raphaël 2.1.2
0
X
2
4
6
8
10
12
4,47
2011
5,98
2012
6,88
2013
8,25
2014
9,16
2015
9,76
2016
10,61
2017
11,48
2018
12,12
2019
12,73
2020*