| Year | Reported foodborne disease cases | Year | Reported foodborne disease cases |
| 1990 | 32 | 2003 | 60 |
| 1991 | 78 | 2004 | 160 |
| 1992 | 27 | 2005 | 29 |
| 1993 | 57 | 2006 | 78 |
| 1994 | 39 | 2007 | 766 |
| 1995 | 57 | 2008 | 129 |
| 1996 | 13 | 2009 | 718 |
| 1997 | 35 | 2010 | 156 |
| 1998 | 28 | 2011 | 445 |
| 1999 | 73 | 2012 | 264 |
| 2000 | 62 | 2013 | 390 |
| 2001 | 23 | 2014 | 143 |
| 2002 | 33 | 2015 | 42 |