YEAR NUMBER OF CASES
1999 1
2000 1857
2001 1557
2002 1207
2003 1100
2004 1176
2005 1456
2006 1824
2007 2156
2008 2329
YEAR NUMBER OF CASES
1999 1
2000 1857
2001 1557
2002 1207
2003 1100
2004 1176
2005 1456
2006 1824
2007 2156
2008 2329