[["( in thousands )", "year ended december 31 , 2012", "year ended december 31 , 2011", "year ended december 31 , 2010"], ["united states", "$ 265436", "$ 215924", "$ 188649"], ["japan", "122437", "112171", "95498"], ["germany", "82008", "72301", "60399"], ["canada", "12384", "12069", "9875"], ["other european", "177069", "166551", "138157"], ["other international", "138684", "112433", "87658"], ["total revenue", "$ 798018", "$ 691449", "$ 580236"]]