the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 52,19 | 0,02% |
| 2020 | 52,18 | 0,31% |
| 2019 | 52,02 | 0,83% |
| 2018 | 51,60 | 2,48% |
| 2017 | 50,35 | -0,44% |
| 2016 | 50,57 | 0,33% |
| 2015 | 50,40 | 0,42% |
| 2014 | 50,19 | 2,76% |
| 2013 | 48,84 | -0,16% |
| 2012 | 48,92 | -2,68% |
| 2011 | 50,27 | 1,80% |
| 2010 | 49,38 |