18.56 % 2021
| Year | Value (%) |
|---|---|
|
2021 |
18.56 |
|
2020 |
17.45 |
|
2019 |
16.5 |
|
2018 |
15.14 |
|
2017 |
15.98 |
|
2016 |
15.04 |
|
2015 |
15.25 |
|
2014 |
14.82 |
|
2013 |
15.14 |
|
2012 |
15.29 |