the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 56,69 | 0,88% |
| 2020 | 56,19 | -0,40% |
| 2019 | 56,42 | -0,77% |
| 2018 | 56,85 | -1,53% |
| 2017 | 57,73 | -1,05% |
| 2016 | 58,35 | 1,46% |
| 2015 | 57,51 | 1,08% |
| 2014 | 56,89 | 0,78% |
| 2013 | 56,45 | 0,70% |
| 2012 | 56,06 | 0,77% |
| 2011 | 55,63 | 0,26% |
| 2010 | 55,49 |