2004

January 0

February 0

March 356

April 359

May 354

June 358

July 338

August 303

September 255

October 373

November 473

December 448

2005

January 537

February 320

March 506

April 375

May 306

June 112

July 104

August 364

September 354

October 374

November 275

December 163

2006

January 323

February 295

March 225

April 309

May 245

June 215

July 254

August 179

September 179

October 253

November 205

December 223

2007

January 171

February 180

March 217

April 159

May 179

June 170

July 146

August 74

September 120

October 107

November 78

December 101

2008

January 103

February 71

March 3

April 15

May 8

June 0

July 0

August 0

September 0

October 0

November 0

December 0