18.58 % 2021
| Year | Value (%) |
|---|---|
|
2021 |
18.58 |
|
2020 |
18.26 |
|
2019 |
17.95 |
|
2018 |
19.24 |
|
2017 |
19.16 |
|
2016 |
18.19 |
|
2015 |
18.04 |
|
2014 |
17.63 |
|
2013 |
17.63 |
|
2012 |
17.59 |