These graphs seem to say it all. Mods please move this if there's a better forum for it.
http://www.rcgp.org.uk/clinical_and_research/rsc/weekly_data.aspx
<img src="http://img269.imageshack.us/img269/9449/c800.jpg">
<img src="http://img107.imageshack.us/img107/1922/b800.jpg">
http://www.rcgp.org.uk/clinical_and_research/rsc/weekly_data.aspx
<img src="http://img269.imageshack.us/img269/9449/c800.jpg">
<img src="http://img107.imageshack.us/img107/1922/b800.jpg">