Data Table
| Year | Value (SE) |
|---|
| 2000 | 0.7730 (0.1403) |
| 2001 | 0.8710 (0.0479) |
| 2002 | 0.8950 (0.0191) |
| 2003 | 0.9130 (0.0092) |
| 2004 | 0.8400 (0.0225) |
| 2005 | 0.7650 (0.0533) |
| 2006 | 0.9130 (0.0570) |
| 2007 | 0.8650 (0.0324) |
| 2008 | 1.3450 (0.1331) |
| 2009 | 0.8130 (0.0617) |
| 2010 | 0.8500 (0.0809) |
| 2011 | 0.9300 (0.1208) |
| 2012 | 0.8070 (0.0558) |
| 2013 | 0.9480 (0.0872) |
| 2014 | 0.9550 (0.0839) |
| 2015 | 0.9380 (0.1471) |
| 2016 | 0.9030 (0.0709) |
| 2017 | 0.8100 (0.0596) |
| 2018 | 0.7810 (0.0816) |
| 2019 | 0.7900 (0.0775) |
| 2020 | 0.8630 (0.0940) |
| 2021 | 0.7510 (0.1328) |
| 2022 | 0.6060 (0.1774) |
| 2023 | 0.8390 (0.0755) |
| 2024 | 0.8900 (0.1539) |
