.
Choose a survey from the list below
Armenia, Nov 2001
Brazil, Rio de Janeiro State, Nov 2001
Cameroon, May 2002
Chad, May 2004
China, Shandong Province, Nov 2004
China, Shanghai, Sep 2006
El Salvador, Nov 2006
Ethiopia, Sep 2004
Fiji, Sep 2004
Ghana, Oct 2004
Ghana, May 2002
India, Chennai, Jan 2004
India, Haryana, Oct 2004
India, Karnataka, Nov 2004
India, Maharashtra (12 districts), Oct 2004
India, Maharashtra (4 regions), Jan 2005
India, Rajasthan, Jun 2003
India, West Bengal, Dec 2004
Indonesia, Aug 2004
Jordan, May 2004
Kazakhstan, Nov 2004
Kenya, Nov 2004
Kenya, Nov 2001
Kuwait, Jun 2004
Kyrgyzstan, Feb 2005
Lebanon, Feb 2004
Malaysia, Oct 2004
Mali, Mar 2004
Mongolia, Nov 2004
Morocco, Apr 2004
Nigeria, Sep 2004
Pakistan, Jul 2004
Peru, May 2002
Peru, Sep 2005
Philippines, Feb 2005
Philippines, Jun 2002
South Africa, Gauteng Province, Nov 2004
South Africa, KwaZulu Natal State, Sep 2001
Sri Lanka, Oct 2001
Sudan, Jun 2005
Syria, Dec 2003
Tajikistan, Feb 2005
Tanzania, Sep 2004
Thailand, Oct 2006
Tunisia, Mar 2004
Uganda, Apr 2004
Ukraine, Sep 2007
Yemen, Jul 2006
