The country came in number 136 in 2021, Sao Tome and Principe came ahead $278,630. Germany, Singapore and China respectively ranked numbers 2, 3 and 4 in this ranking.
The country came in number 136 in 2021, Sao Tome and Principe came ahead $278,630. Germany, Singapore and China respectively ranked numbers 2, 3 and 4 in this ranking.