Year | Mean | Lower bound of 95% CI | Upper bound of 95% CI |
---|---|---|---|
2005 | 1.08 | 0.83 | 1.34 |
2006 | 1.39 | 1.14 | 1.65 |
2007 | 1.17 | 0.94 | 1.40 |
2008 | 1.24 | 1.00 | 1.48 |
2009 | 1.21 | 0.96 | 1.47 |
2010 | 1.05 | 0.75 | 1.34 |
2011 | 1.11 | 0.74 | 1.48 |
2012 | 1.12 | 0.92 | 1.31 |
2013 | 1.20 | 0.82 | 1.58 |
2014 | 1.20 | 0.98 | 1.42 |
2015 | 1.04 | 0.78 | 1.30 |
2016 | 1.18 | 0.74 | 1.62 |
2017 | 1.08 | 0.92 | 1.24 |