US-Stocks (Valuation-History up to 2015)
Price/FCF historical average (1986 - 2015) / Average EXCL. Tech Bubble: 24.8 (Valuation as per Feb. 2015: 23.3);
It may also be of interest to know, that the S&P 500-Index stood slightly above 2,100 points on the 27th Feb. 2015.
source re. Price/Free-Cash-Flow, etc. - History (S&P 500): http://www.merrilledge.com
EV/EBITDA-History (S&P 500): http://www.zerohedge.com
EV/EBITDA per company: http://www.infinancials.com/