2011 | 11.80% | 14.63% |
2012 | 11.80% | 14.73% |
2013 | 11.80% | 15.26% |
2014 | 11.80% | 14.21% |
2015 | 11.80% | 14.28% |
2016 | 11.80% | 14.81% |
2017 | 11.80% | 14.48% |
2018 | 11.80% | 15.43% |
2019 | 11.80% | 14.87% |