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 33

April 12

May 19

June 6

July 3

August 13

September 9

October 9

November 16

December 20

2006

January 21

February 15

March 34

April 23

May 11

June 20

July 13

August 15

September 5

October 9

November 20

December 6

2007

January 14

February 4

March 2

April 1

May 15

June 26

July 15

August 8

September 7

October 2

November 5

December 4

2008

January 8

February 13

March 10

April 24

May 16

June 3

July 1

August 0

September 0

October 0

November 0

December 0