the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 69,07 | 0,26% |
| 2020 | 68,89 | 0,69% |
| 2019 | 68,42 | -0,13% |
| 2018 | 68,51 | 0,23% |
| 2017 | 68,35 | -0,77% |
| 2016 | 68,89 | 0,86% |
| 2015 | 68,30 | 0,67% |
| 2014 | 67,85 | -0,11% |
| 2013 | 67,92 | 0,77% |
| 2012 | 67,40 | 1,06% |
| 2011 | 66,70 | 0,07% |
| 2010 | 66,65 |