BBC Chinese, Sept. 12, 2010.
http://www.bbc.co.uk/zhongwen/simp/world/2010/09/100912_french_sex.shtml
My comment; The suvey is conducted by a marketing firm
Institut français d'opinion publique (IFOP; English: French Institute of Public Opinion; founded in 1938)
http://en.wikipedia.org/wiki/Institut_fran%C3%A7ais_d'opinion_publique
I can not find the survey in the web site of www.ifop.com.