2006 2015 1 222
%
0% 5% 10% 15% 20% 25% PR PR 0.5% 15.9% 13.5% 11.1% 8.6% 7.9% 21.6% 20.9% 0% 5% 10% 15% 20% 25% 30% 35% 40% 6.2% 5.2% 4.0% 1.5% 1.0% 1.0% 15.3% 28.9% 36.8%