the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 67,96 | 1,37% |
| 2020 | 67,04 | 0,40% |
| 2019 | 66,77 | 0,21% |
| 2018 | 66,63 | 1,05% |
| 2017 | 65,94 | -0,14% |
| 2016 | 66,04 | 0,71% |
| 2015 | 65,57 | 0,45% |
| 2014 | 65,28 | 1,05% |
| 2013 | 64,60 | 1,17% |
| 2012 | 63,85 | -1,06% |
| 2011 | 64,54 | 0,07% |
| 2010 | 64,49 |