SEMI data October 2011 http://www.semi.org/en/node/39381?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/07681f90-6677-477b-899f-c94d2ad3a79b/SEMIequipment_btb2.gif SEMI chart from 1995 content.screencast.com/users/maugott/folders/SEMI%20equipment%20charts/media/9af274d4-47e6-4d66-b99a-35c90dc0123d/SEMIequipment_btb.gif Ratio of SEMI billings to SIA ww chip sales content.screencast.com/users/maugott/folders/SEMI%20equipment%20charts/media/3ea5cfee-4ec5-46c0-a624-6d08cfdc0e5f/SEMIbillings_chip%20sales_ratio.gif