SEMI data November 2011 http://www.semi.org/en/node/39971?id=highlights SEMI charts are at... http://www.screencast.com/users/maugott/folders/SEMI%20equipment%20charts SEMI chart from 2001 content.screencast.com/users/maugott/folders/SEMI%20equipment%20charts/media/77b03206-ec35-4a6f-9db6-9576e63f6c3d/SEMIequipment_btb2.gif SEMI chart from 1995 content.screencast.com/users/maugott/folders/SEMI%20equipment%20charts/media/abcd438b-9f2b-4a52-8fd1-d41b0102137a/SEMIequipment_btb.gif Ratio of SEMI billings to SIA ww chip sales content.screencast.com/users/maugott/folders/SEMI%20equipment%20charts/media/a79a6f25-4305-4f76-981f-0132082234b2/SEMIbillings_chip%20sales_ratio.gif