Data Table
| Year | Value (SE) |
|---|
| 2000 | 0.5880 (0.0364) |
| 2001 | 0.5010 (0.0082) |
| 2002 | 0.5730 (0.0060) |
| 2003 | 0.6390 (0.0035) |
| 2004 | 0.4840 (0.0054) |
| 2005 | 0.5320 (0.0137) |
| 2006 | 0.5560 (0.0138) |
| 2007 | 0.5930 (0.0114) |
| 2008 | 0.5690 (0.0216) |
| 2009 | 0.4810 (0.0196) |
| 2010 | 0.6560 (0.0279) |
| 2011 | 0.4330 (0.0215) |
| 2012 | 0.5860 (0.0204) |
| 2013 | 0.6190 (0.0261) |
| 2014 | 0.5810 (0.0239) |
| 2015 | 0.4990 (0.0340) |
| 2016 | 0.5010 (0.0164) |
| 2017 | 0.5390 (0.0219) |
| 2018 | 0.6620 (0.0382) |
| 2019 | 0.5230 (0.0358) |
| 2020 | 0.6070 (0.0495) |
| 2021 | 0.5080 (0.0567) |
| 2022 | 0.5500 (0.1345) |
| 2023 | 0.5120 (0.0363) |
| 2024 | 0.4890 (0.0561) |
