Monthly bulletin of statistics, Issue no. 1081, Vol. LXV, No. 7, July 2011 Bulletin mensuel de statistique. Édition no 1081, Vol. LXV, no 7, juillet 2011 (United Nations, 2011)
Title from PDF title page (viewed on May 25, 2012). - At head of title: Department of Economic and Social Affairs, Statistics Division. - "ST/ESA/STAT/SER.Q/463."
Includes bibliographical references (p. 309)