| Month | Cases called | Histogram |
|---|---|---|
| October 2008 | 14 | IIIIIIIIIIIICC |
| September 2008 | 56 | IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIICCCEE |
| August 2008 | 28 | IIIIIIIIIIIIIIIIIIIIIIIIIIIE |
| July 2008 | 61 | IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIICCCCCCCCCCCCCCCCEEE |
| June 2008 | 70 | IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIICCCCCCCCCCCCCCCCCCCCCEEEE |
| May 2008 | 51 | IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIICCCCCCCCCCCCC |
| April 2008 | 12 | IIIIIIIIICEE |
| March 2008 | 12 | IIIIIIIICCCE |
| February 2008 | 19 | IIIIIIIIIIIIIIICCCC |
| January 2008 | 30 | IIIIIIIIIIIIIIIIIIIIIIIIICCCCE |
| December 2007 | 44 | IIIIIIIIIIIIIIIIIIIIIIIIIIIIIICCCCCCCCCCCCEE |
| November 2007 | 41 | IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIICCCCCCE |
| October 2007 | 12 | IIIIIIIIIIII |
| September 2007 | 22 | IIIIIIIIIIIIIIIIIIIIIC |
| August 2007 | 30 | IIIIIIIIIIIIIIIIIIIIIIIICCCCCC |
| July 2007 | 14 | IIIIIIIIIIIIIC |
| June 2007 | 10 | IIIIIIIIII |
| May 2007 | 38 | IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII |
| April 2007 | 24 | IIIIIIIIIIIIIIIIIIIIIIII |
| February 2007 | 11 | IIIIIIIIIII |
| January 2007 | 14 | IIIIIIIIIIIIII |
| December 2006 | 8 | IIIIIIII |
| September 2006 | 2 | II |
| May 2006 | 1 | I |
| April 2006 | 2 | II |
| March 2006 | 1 | I |
| February 2006 | 4 | IIII |
| January 2006 | 1 | I |
| December 2005 | 3 | III |
| October 2005 | 1 | I |
| August 2005 | 1 | I |
| July 2005 | 2 | II |
| June 2005 | 3 | III |
| May 2005 | 8 | IIIIIIII |
| April 2005 | 25 | IIIIIIIIIIIIIIIIIIIIIIIII |
| March 2005 | 5 | IIIII |
| February 2005 | 4 | IIII |
| December 2004 | 1 | I |
| November 2004 | 3 | III |
| October 2004 | 2 | II |
| August 2004 | 1 | I |
| July 2004 | 7 | IIIIIII |
| June 2004 | 4 | IIII |
| May 2004 | 10 | IIIIIIIIII |
| April 2004 | 6 | IIIIII |
| March 2004 | 1 | I |
| February 2004 | 11 | IIIIIIIIIII |
| January 2004 | 2 | II |
| October 2003 | 15 | IIIIIIIIIIIIIII |
| September 2003 | 3 | III |
| May 2003 | 1 | I |
| April 2003 | 1 | I |
| March 2003 | 18 | IIIIIIIIIIIIIIIIII |
| February 2003 | 7 | IIIIIII |
| January 2003 | 12 | IIIIIIIIIIII |
| December 2002 | 4 | IIII |
| October 2002 | 4 | IIII |
| September 2002 | 3 | III |
| August 2002 | 4 | IIII |
| July 2002 | 16 | IIIIIIIIIIIIIIII |
| June 2002 | 6 | IIIIII |
| May 2002 | 27 | IIIIIIIIIIIIIIIIIIIIIIIIIII |
| April 2002 | 13 | IIIIIIIIIIIII |
| March 2002 | 1 | I |
| February 2002 | 2 | II |
| January 2002 | 5 | IIIII |
| December 2001 | 7 | IIIIIII |
| November 2001 | 7 | IIIIIII |
| September 2001 | 6 | IIIIII |
| August 2001 | 6 | IIIIII |
| July 2001 | 7 | IIIIIII |
| June 2001 | 5 | IIIII |
| May 2001 | 9 | IIIIIIIII |
| April 2001 | 3 | III |
| March 2001 | 7 | IIIIIII |
| February 2001 | 18 | IIIIIIIIIIIIIIIIII |
| January 2001 | 4 | IIII |
| December 2000 | 5 | IIIII |
| November 2000 | 3 | III |
| October 2000 | 2 | II |
| September 2000 | 3 | III |
| August 2000 | 7 | IIIIIII |
| July 2000 | 5 | IIIII |
| April 1996 | 1 | I |
| February 1996 | 1 | I |
| October 1995 | 1 | I |
| October 1994 | 1 | I |
