2004

January 0

February 0

March 0

April 0

May 164

June 18

July 16

August 19

September 28

October 29

November 23

December 16

2005

January 23

February 26

March 12

April 15

May 11

June 0

July 4

August 5

September 5

October 12

November 14

December 8

2006

January 22

February 16

March 20

April 18

May 12

June 7

July 7

August 20

September 13

October 10

November 18

December 16

2007

January 12

February 5

March 14

April 23

May 25

June 28

July 26

August 12

September 20

October 14

November 12

December 10

2008

January 13

February 39

March 12

April 20

May 6

June 0

July 0

August 0

September 0

October 0

November 0

December 0