The Costa Rican economy with a population of 4.3 Million (Est 2011 census) ranks 85th in the world with a GDP PPP of 44 billion and GDP PPP per capita of 11,923 vs 48,328 (United States) according to the IMF in 2011. Its currency is the Costa Rican colón which is often denoted as CRC in FX markets. Its banks offer fixed interest rate of return product for retail customer savings called a 'certificate of deposit' or 'CD'. Its inflation estimates according to CIA.gov website for the country was 4.9% in 2011 and 4.5% in 2012.