0 2.6M 5.3M 7.9M 10.6M 13.2M 15.8M 18.5M USA CHN JPN DEU FRA GBR BRA RUS ITA IND CAN AUS ESP KOR MEX IDN TUR NLD SAU CHE ARG SWE NGA POL NOR BEL VEN AUT THA ARE gdp per country gross domestic product per country