As for the O/P around 18 teaspoons plus 6 Knickerbocker Glory ones and 3 long handled 1/2 tea spoons.
Add to this 3 separate cutlery sets suitable for 12 place settings in each thats another 36 teaspoons.
We also have various 'serving' spoons, salad spoons, honey spoons and others I don't know what for.
As well as the 3 cutlery sets we have a 'loose' 12 piece set in the drawer for every day use. All quality stuff and none of these £3 a set things from Asda/Tesco etc.