Year | Prevalence per 1,000 GMS population (95 % confidence interval) |
---|---|
2002 | 4.74 (4.47–5.01) |
2003 | 4.33 (4.07–4.59) |
2004 | 3.86 (3.62–4.11) |
2005 | 3.51 (3.27–3.74) |
2006 | 3.09 (2.87–3.30) |
2007 | 2.72 (2.52–2.91) |
2008 | 2.61 (2.43–2.80) |
2009 | 2.71 (2.54–2.89) |
2010 | 2.63 (2.47–2.80) |
2011 | 2.86 (2.69–3.03) |