the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 80,57 | -0,39% |
| 2020 | 80,88 | -0,23% |
| 2019 | 81,07 | 0,26% |
| 2018 | 80,86 | 0,57% |
| 2017 | 80,40 | -0,25% |
| 2016 | 80,60 | 0,68% |
| 2015 | 80,06 | 0,02% |
| 2014 | 80,05 | 0,24% |
| 2013 | 79,85 | 0,36% |
| 2012 | 79,57 | -0,32% |
| 2011 | 79,83 | 0,45% |
| 2010 | 79,47 |