Monthly bulletin of statistics, Issue no. 1080, Vol. LXV, No. 6, June 2011 Bulletin mensuel de statistique. Édition no 1080, Vol. LXV, no 6, juin 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/462."
Includes bibliographical references (p. 333)