the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 51,93 | -2,63% |
| 2020 | 53,33 | -0,18% |
| 2019 | 53,42 | -1,23% |
| 2018 | 54,09 | 0,92% |
| 2017 | 53,60 | 1,38% |
| 2016 | 52,87 | -1,50% |
| 2015 | 53,68 | -0,99% |
| 2014 | 54,22 | 1,00% |
| 2013 | 53,68 | -1,78% |
| 2012 | 54,65 | -0,26% |
| 2011 | 54,79 | 2,29% |
| 2010 | 53,56 |