the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 79,05 | -0,22% |
| 2020 | 79,22 | 0,45% |
| 2019 | 78,87 | -0,46% |
| 2018 | 79,23 | 0,00% |
| 2017 | 79,24 | 0,64% |
| 2016 | 78,73 | 0,33% |
| 2015 | 78,48 | 0,53% |
| 2014 | 78,06 | -0,54% |
| 2013 | 78,48 | 1,51% |
| 2012 | 77,31 | -0,63% |
| 2011 | 77,80 | -0,27% |
| 2010 | 78,02 |