the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 39,65 | -0,59% |
| 2020 | 39,88 | -1,01% |
| 2019 | 40,29 | 1,01% |
| 2018 | 39,89 | 2,36% |
| 2017 | 38,97 | -0,20% |
| 2016 | 39,05 | 0,05% |
| 2015 | 39,03 | -0,13% |
| 2014 | 39,08 | 0,62% |
| 2013 | 38,84 | 1,68% |
| 2012 | 38,20 | -1,28% |
| 2011 | 38,70 | -1,89% |
| 2010 | 39,44 |