The GDP in current US$ for selected countries and the world are given below in $ billions (source: World Bank). Based on this information, which of the following statements is correct?
Year US UK Japan Nigeria World
2000 10,284.8 1,635.4 4,887.5 46.4 33,547.6
2015 18,036.6 2,858.0 4,383.1 481.1 74,152.5
1) The GDP of Japan grew by 10.3% over the 15 years.
2) of the four countries, Nigeria was the only country that had a higher growth rate than that of the world over the 15 years.
3) The UK GDP growth rate was higher than that of the US.
4) The world GDP grew by over 10% per year on average.