| Year | Value (%) |
|---|---|
|
2021 |
11.87 |
|
2020 |
11.87 |
|
2019 |
11.87 |
|
2018 |
11.73 |
|
2017 |
9.59 |
|
2016 |
9.53 |
|
2015 |
9.47 |
|
2014 |
9.4 |
|
2013 |
9.34 |
|
2012 |
9.27 |