Data Table
| Year | Value (SE) |
|---|
| 2000 | 1.1991 (0.2667) |
| 2001 | 0.4777 (0.0497) |
| 2002 | 0.8373 (0.1429) |
| 2003 | 0.8319 (0.0624) |
| 2004 | 0.6640 (0.1423) |
| 2005 | 0.7251 (0.0583) |
| 2006 | 0.7303 (0.0579) |
| 2007 | 0.8973 (0.0360) |
| 2008 | 0.8900 (0.0743) |
| 2009 | 0.7058 (0.0621) |
| 2010 | 0.7951 (0.0877) |
| 2011 | 0.8809 (0.0871) |
| 2012 | 0.9260 (0.0426) |
| 2013 | 0.9298 (0.0797) |
| 2014 | 0.8749 (0.0666) |
| 2015 | 0.6504 (0.0867) |
| 2016 | 0.6123 (0.0472) |
| 2017 | 0.7935 (0.0630) |
| 2018 | 0.6051 (0.0619) |
| 2019 | 0.6843 (0.0643) |
| 2020 | 0.6800 (0.0965) |
| 2021 | 0.9132 (0.4080) |
| 2022 | 0.8458 (0.1995) |
| 2023 | 0.6910 (0.0847) |
| 2024 | 0.6567 (0.3443) |
