| Year | Answer | Emissions | % Correct |
|---|---|---|---|
| 1920 | China | 40.28 million tonnes | 100%
|
| 1920 | Japan | 74.28 million tonnes | 100%
|
| 1800 | United Kingdom | 31.34 million tonnes | 100%
|
| 1810 | France | 2.21 million tonnes | 97%
|
| 1800 | Germany | 795,100 tonnes | 97%
|
| 1990 | India | 578 million tonnes | 97%
|
| 1990 | Italy | 438.21 million tonnes | 97%
|
| 1830 | Russia | 11,200 tonnes | 97%
|
| 1800 | United States | 252,800 tonnes | 97%
|
| 1920 | Mexico | 77.67 million tonnes | 93%
|
| 1850 | Spain | 494,600 tonnes | 90%
|
| 1820 | Austria | 333,400 tonnes | 83%
|
| 1800 | Canada | 3,700 tonnes | 83%
|
| 1860 | Netherlands | 4.8 million tonnes | 80%
|
| 1800 | Poland | 406,700 tonnes | 80%
|
| 1810 | Australia | 1,300 tonnes | 77%
|
| 1830 | Belgium | 6.2 million tonnes | 77%
|
| 1830 | Hungary | 113,600 tonnes | 73%
|
| 1940 | Ukraine | 94.29 million tonnes | 67%
|
| 1850 | Ireland | 395,700 tonnes | 60%
|
| 1870 | Czechia | 4.85 million tonnes | 53%
|
| 1830 | Norway | 7,300 tonnes | 50%
|