... 1990, the TCAs con-stituted 65 percent o f all antidepressants in Finland, and about 80 percent in the other three countries. In 2006,the TCAs constituted 5-8 perc ent of all antidepressants;however, ... performed the statistical analyses. All authors havecontributed to writing and revising the manuscript, and all authors read and approved the final manuscript.Competing interestsThe authors declare ... quality of the national suicide rat es dependson the autopsy rates [28], which may vary over time and between countries. However, this problem may affect allkind of study designs, not only ours....