The country has been considered economically stable with moderate inflation, estimated at 2.6% in 2017, and moderately high growth in GDP, which increased from US$41.3 billion in 2011 to US$52.6 billion in 2015. The estimated GDP for 2018 is US$59.0 billion and the estimated GDP per capita (purchasing power parity) is Intl$17,559.1. The growing debt and budget deficit are the country's primary concerns. A 2017 study by the Organisation for Economic Co-operation and Development warned that reducing the foreign debt must be a very high priority for the government. Other fiscal reforms were also recommended to moderate the budget deficit.