the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 80,12 | -0,70% |
| 2020 | 80,68 | -0,26% |
| 2019 | 80,89 | 0,52% |
| 2018 | 80,47 | 0,31% |
| 2017 | 80,23 | 0,69% |
| 2016 | 79,68 | 0,94% |
| 2015 | 78,94 | 0,34% |
| 2014 | 78,67 | 0,52% |
| 2013 | 78,26 | -0,27% |
| 2012 | 78,48 | -0,07% |
| 2011 | 78,53 | -0,37% |
| 2010 | 78,82 |