| Year | Value (%) |
|---|---|
|
2021 |
46.63 |
|
2020 |
45.33 |
|
2019 |
44.64 |
|
2018 |
43.84 |
|
2017 |
43.26 |
|
2016 |
42.52 |
|
2015 |
41.65 |
|
2014 |
36.77 |
|
2013 |
31.89 |
|
2012 |
34.12 |