Important sites.

Saudi Arabian Monetary Agency(SAMA).  http://www.sama.gov.sa/ar-SA/Pages/default.aspx
Central Department of Statistics & Information(CDSI).  http://www.cdsi.gov.sa/english/index.php
International Monetary Fund(IMF).  http://www.imf.org/external/index.htm
World Bank(WB).  http://www.worldbank.org/
Bank for International Settlements (BIS).  http://www.bis.org/about/index.htm