4.3 Publication distribution on a country basis
To identify the publication distribution on a country basis, we used the first author and/or the corresponding authors to represent the country we tied the article to. Our primary interest was in the country in which their institution of affiliation was located. Figure 3 shows the distribution of publications by country basis. Surprisingly, Canada and Germany have the highest number of publications on geophysical investigations in the Bosumtwi Impact Crater. Researchers associated with institutions in Canada have authored 25% of the articles, whereas authors affiliated with German institutions have 21% of the articles. Researchers affiliated with Ghanaian institutions come in third place with 13 % of the articles. Other countries represented are Rwanda, France, Finland, Austria, Russia, South Africa and Estonia. InFigure 3b, we observe that on a global scale, whereas only thirteen (13%) of the published studies on the Bosumtwi impact crater were authored by researchers from Ghana, eighty-seven percent (87%) of the geophysical studies on the Bosumtwi impact crater were authored by researchers affiliated to institutions from outside Ghana. Out of this, eighty-seven percent (87 %), eight (8 %) are by scientists from other African countries.