the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 50,88 | -0,32% |
| 2020 | 51,04 | -0,48% |
| 2019 | 51,29 | -2,52% |
| 2018 | 52,62 | 1,41% |
| 2017 | 51,89 | -0,43% |
| 2016 | 52,11 | -0,31% |
| 2015 | 52,27 | -0,36% |
| 2014 | 52,46 | 1,13% |
| 2013 | 51,87 | 1,88% |
| 2012 | 50,92 | -0,51% |
| 2011 | 51,18 | 0,51% |
| 2010 | 50,92 |