Data Table
| Year | Value (SE) |
|---|
| 2000 | 0.5782 (0.0178) |
| 2001 | 0.6224 (0.0068) |
| 2002 | 0.5564 (0.0289) |
| 2003 | 0.5286 (0.0154) |
| 2004 | 0.4997 (0.0100) |
| 2005 | 0.5632 (0.0031) |
| 2006 | 0.5541 (0.0104) |
| 2007 | 0.5385 (0.0129) |
| 2008 | 0.5171 (0.0102) |
| 2009 | 0.5145 (0.0100) |
| 2010 | 0.5636 (0.0225) |
| 2011 | 0.6098 (0.0120) |
| 2012 | 0.5099 (0.0070) |
| 2013 | 0.6906 (0.0204) |
| 2014 | 0.7116 (0.0154) |
| 2015 | 0.6896 (0.0436) |
| 2016 | 0.6681 (0.0146) |
| 2017 | 0.6377 (0.0229) |
| 2018 | 0.7336 (0.0238) |
| 2019 | 0.5852 (0.0249) |
| 2020 | 0.7138 (0.0505) |
| 2021 | 0.6389 (0.1602) |
| 2022 | 0.5931 (0.0527) |
| 2023 | 0.6092 (0.0242) |
| 2024 | 0.7025 (0.1354) |
