2004

January 0

February 0

March 0

April 0

May 0

June 0

July 0

August 0

September 0

October 0

November 0

December 0

2005

January 0

February 0

March 451

April 573

May 600

June 177

July 337

August 1262

September 1251

October 784

November 459

December 255

2006

January 528

February 395

March 440

April 415

May 404

June 476

July 364

August 493

September 400

October 357

November 423

December 297

2007

January 406

February 362

March 459

April 402

May 407

June 419

July 424

August 395

September 670

October 443

November 446

December 359

2008

January 407

February 385

March 508

April 440

May 319

June 161

July 13

August 0

September 0

October 0

November 0

December 0