Table 2.
Number of ARDVs by year (double counted in cases of multiple violations)
| Year | n |
|---|---|
| 2001 | 1 |
| 2002 | 5 |
| 2003 | 4 |
| 2004 | 5 |
| 2005 | 2 |
| 2006 | 6 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 8 |
| 2010 | 6 |
| 2011 | 11 |
| 2012 | 6 |
| 2013 | 7 |
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