the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 80,93 | -0,16% |
| 2020 | 81,06 | -0,61% |
| 2019 | 81,56 | -0,59% |
| 2018 | 82,04 | 0,41% |
| 2017 | 81,71 | -0,22% |
| 2016 | 81,89 | 0,29% |
| 2015 | 81,66 | 0,41% |
| 2014 | 81,33 | 0,29% |
| 2013 | 81,09 | 0,41% |
| 2012 | 80,76 | -0,09% |
| 2011 | 80,83 | 0,08% |
| 2010 | 80,77 |