the highest = the best
| Дата | Значение | Изменение , % |
|---|---|---|
| 2021 | 70,32 | 0,51% |
| 2020 | 69,96 | 0,19% |
| 2019 | 69,83 | 0,13% |
| 2018 | 69,74 | -0,29% |
| 2017 | 69,94 | -0,13% |
| 2016 | 70,03 | -0,17% |
| 2015 | 70,15 | 1,39% |
| 2014 | 69,19 | -0,03% |
| 2013 | 69,21 | 0,59% |
| 2012 | 68,81 | -0,14% |
| 2011 | 68,90 | 1,17% |
| 2010 | 68,11 |