| Year | Value (%) |
|---|---|
|
2021 |
57.18 |
|
2020 |
68.94 |
|
2019 |
48.96 |
|
2018 |
44.39 |
|
2017 |
42.02 |
|
2016 |
39.65 |
|
2015 |
37.28 |
|
2014 |
34.92 |
|
2013 |
32.55 |
|
2012 |
30.18 |