According to the head of the Organization for Investment, Economic and Technical Assistance of Iran (OIETAI), in 2008 Iran ranked 142 among 181 countries in working conditions. Iran stands at number 96 in terms of business start-ups, 165 in obtaining permits, 147 in employment, 147 in asset registration, 84 in obtaining credit, 164 in legal support for investments, 104 in tax payments, 142 in overseas trade, 56 in contract feasibility and 107 in bankruptcy. Firms from over 50 countries invested in Iran between 1992 and 2008, with Asia and Europe the largest participants as shown below: