2005

January 0

February 0

March 42

April 283

May 289

June 259

July 225

August 265

September 212

October 218

November 283

December 234

2006

January 255

February 227

March 233

April 56

May 0

June 0

July 0

August 0

September 0

October 219

November 167

December 83

2007

January 0

February 0

March 0

April 0

May 1

June 0

July 1

August 2

September 1

October 6

November 0

December 1

2008

January 0

February 0

March 1

April 0

May 0

June 0

July 0

August 0

September 0

October 0

November 0

December 0