2004

January 0

February 0

March 73

April 92

May 71

June 81

July 91

August 98

September 122

October 101

November 111

December 96

2005

January 150

February 101

March 149

April 77

May 102

June 41

July 41

August 101

September 64

October 65

November 84

December 68

2006

January 146

February 104

March 99

April 88

May 97

June 74

July 107

August 100

September 71

October 71

November 103

December 75

2007

January 64

February 68

March 118

April 88

May 82

June 74

July 86

August 107

September 58

October 73

November 90

December 72

2008

January 97

February 66

March 64

April 25

May 13

June 13

July 3

August 0

September 0

October 0

November 0

December 0