After the bounce back from the crisis of the late nineties, the economy continued strong growth in 2000 with a GDP growth of 9.08%. However, the South Korean economy was affected by the September 11 Attacks. The slowing global economy, falling exports, and the perception that corporate and financial reforms had stalled caused growth to fall back to 3.8% in 2001 Thanks to industrialization GDP per hour worked (labor output) more than tripled from US$2.80 in 1963 to US$10.00 in 1989. More recently the economy stabilized and maintain a growth rate between 4–5% from 2003 onwards.