18.23 % 2021
| Year | Value (%) |
|---|---|
|
2021 |
18.23 |
|
2020 |
18.23 |
|
2019 |
18.23 |
|
2018 |
18.4 |
|
2017 |
18.44 |
|
2016 |
18.53 |
|
2015 |
18.59 |
|
2014 |
18.64 |
|
2013 |
18.69 |
|
2012 |
18.74 |