Not really relevant. There are high rates in the northern countries in general due to longer winters — hence Russia and the Ukraine have a higher rate of suicides than Bulgaria.
It is actually kind of interesting since the link shows the first study done was in Prussia a long time ago. Evidently there were equal numbers of Protestants and Catholics and the results at that time were quite significant.The narrator remarks on it. Not saying the study is or is not relevant but it just may be.