| Year | Value (%) |
|---|---|
|
2021 |
37.75 |
|
2020 |
37.75 |
|
2019 |
37.75 |
|
2018 |
37.75 |
|
2017 |
37.75 |
|
2016 |
37.75 |
|
2015 |
37.75 |
|
2014 |
36.26 |
|
2013 |
34.77 |
|
2012 |
33.28 |