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 308

April 451

May 567

June 158

July 185

August 474

September 527

October 564

November 509

December 306

2006

January 674

February 491

March 552

April 478

May 523

June 460

July 407

August 526

September 435

October 439

November 501

December 498

2007

January 594

February 434

March 468

April 434

May 465

June 528

July 529

August 502

September 571

October 506

November 471

December 412

2008

January 411

February 370

March 624

April 68

May 9

June 3

July 2

August 0

September 0

October 0

November 0

December 0