the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 79,60 | -0,48% |
| 2020 | 79,98 | -0,80% |
| 2019 | 80,62 | -0,06% |
| 2018 | 80,67 | 0,10% |
| 2017 | 80,59 | 0,37% |
| 2016 | 80,29 | 0,72% |
| 2015 | 79,72 | 0,22% |
| 2014 | 79,55 | -0,24% |
| 2013 | 79,74 | 0,26% |
| 2012 | 79,53 | 1,20% |
| 2011 | 78,59 | 0,51% |
| 2010 | 78,19 |