the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 60,35 | 0,38% |
| 2020 | 60,13 | -0,49% |
| 2019 | 60,42 | 1,29% |
| 2018 | 59,65 | 0,79% |
| 2017 | 59,19 | 0,73% |
| 2016 | 58,76 | 0,18% |
| 2015 | 58,65 | 0,82% |
| 2014 | 58,17 | 0,98% |
| 2013 | 57,61 | 0,84% |
| 2012 | 57,13 | -0,26% |
| 2011 | 57,27 | -0,68% |
| 2010 | 57,66 |