the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 79,63 | -0,45% |
| 2020 | 80,00 | -0,35% |
| 2019 | 80,28 | -0,03% |
| 2018 | 80,30 | 0,13% |
| 2017 | 80,20 | 0,71% |
| 2016 | 79,63 | 1,09% |
| 2015 | 78,78 | 0,74% |
| 2014 | 78,19 | 0,73% |
| 2013 | 77,63 | -0,04% |
| 2012 | 77,66 | 0,31% |
| 2011 | 77,42 | 0,02% |
| 2010 | 77,41 |