the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 59,54 | 0,41% |
| 2020 | 59,30 | -1,36% |
| 2019 | 60,12 | 1,32% |
| 2018 | 59,33 | 2,37% |
| 2017 | 57,96 | -0,19% |
| 2016 | 58,07 | 1,43% |
| 2015 | 57,26 | 0,53% |
| 2014 | 56,96 | -0,58% |
| 2013 | 57,29 | -0,27% |
| 2012 | 57,44 | 0,82% |
| 2011 | 56,98 | 1,41% |
| 2010 | 56,19 |