english: So my colleague Dr. Robert Govers and I have spent the best part of the last two years, with the help of a large number of very serious and clever people, cramming together all the reliable data in the world we could find about what countries give to the world.
non_english: Kolega, dr Robert Govers i ja smo proveli dobar deo protekle dve godine, uz pomoć velikog broja veoma ozbiljnih i pametnih ljudi, uklapajući sve pouzdane podatke iz sveta do kojih smo mogli da dođemo, o tome koliko države doprinose svetu.