| Year | Income | Country | % Correct |
|---|---|---|---|
| 2020 | 61,063 | United States | 99%
|
| 1990 | $23,889 | United States | 99%
|
| 2000 | $36,335 | United States | 99%
|
| 1970 | $5,234 | United States | 99%
|
| 2020 | 115,874 | Luxembourg | 98%
|
| 2010 | $105,068 | Luxembourg | 98%
|
| 2000 | 48,857 | Luxembourg | 98%
|
| 2020 | 67,390 | Norway | 97%
|
| 1990 | $28,243 | Norway | 97%
|
| 2010 | $87,694 | Norway | 97%
|
| 1980 | 15,772 | Norway | 97%
|
| 2000 | 38,131 | Norway | 97%
|
| 1970 | 3,306 | Norway | 97%
|
| 1990 | $30,594 | Sweden | 97%
|
| 2010 | $52,869 | Sweden | 97%
|
| 1980 | 17,098 | Sweden | 97%
|
| 1970 | 4,736 | Sweden | 97%
|
| 2020 | 190,513 | Monaco | 96%
|
| 1990 | $84,304 | Monaco | 96%
|
| 2010 | $150,738 | Monaco | 96%
|
| 1980 | $51,515 | Monaco | 96%
|
| 2000 | $82,365 | Monaco | 96%
|
| 1970 | $12,478 | Monaco | 96%
|
| 2010 | $67,403 | Qatar | 96%
|
| 1980 | $35,010 | Qatar | 96%
|
| 2020 | 175,814 | Liechtenstein | 95%
|
| 1990 | $49,374 | Liechtenstein | 95%
|
| 2010 | $141,193 | Liechtenstein | 95%
|
| 1980 | 20,660 | Liechtenstein | 95%
|
| 2000 | 74,854 | Liechtenstein | 95%
|
| 1970 | 4,125 | Canada | 94%
|
| 2020 | 85,268 | Ireland | 93%
|
| 1990 | $27,729 | United Arab Emirates | 93%
|
| 1980 | $42,765 | United Arab Emirates | 93%
|
| 2000 | $33,291 | United Arab Emirates | 93%
|
| 1970 | $4,551 | United Arab Emirates | 93%
|
| 2020 | 59,798 | Denmark | 92%
|
| 1990 | $26,892 | Denmark | 92%
|
| 2010 | $58,041 | Denmark | 92%
|
| 1970 | 3,464 | Denmark | 92%
|
| 1990 | $25,371 | Japan | 92%
|
| 2000 | 38,532 | Japan | 92%
|
| 2020 | 59,270 | Singapore | 92%
|
| 2020 | 87,097 | Switzerland | 92%
|
| 1990 | $39,578 | Switzerland | 92%
|
| 2010 | $77,117 | Switzerland | 92%
|
| 1980 | 19,410 | Switzerland | 92%
|
| 2000 | 38,951 | Switzerland | 92%
|
| 1970 | 3,345 | Switzerland | 92%
|
| 2020 | 63,414 | Iceland | 90%
|
| 1990 | $25,385 | Iceland | 90%
|
| 2000 | $32,096 | Iceland | 90%
|
| 1980 | $20,924 | Kuwait | 90%
|
| 1970 | 3,861 | Kuwait | 90%
|
| 2010 | $52,022 | Australia | 87%
|
| 1970 | 3,300 | Australia | 87%
|
| 2010 | $60,255 | San Marino | 87%
|
| 2000 | $36,604 | San Marino | 87%
|
| 1980 | $16,978 | Saudi Arabia | 79%
|
| 1980 | $25,422 | Brunei | 66%
|