How many years of marriage does a ruby anniversary celebrate?

You goota ruby for twenty years?thats cheating ,lol you are meant to be married for forty years to get the ruby,we have had our coral,and that is thirty five years,but nothing coral came my way.The silver is twenty five,the thirty is pearl,and the fifty is gold,and if you are lucky enough to reach sixty then thats a diamond,wow,sixty years to get a diamond.