coffee produced in Peru
... that 90% of the Arabica coffee produced in Peru is either typica or caturra?
... that 90% of the <i id="mwBiI"><a href="./Coffea_arabica" id="mwBiM" rel="mw:WikiLink" title="Coffea arabica">Arabica</a></i> <b id="mwBiQ"><a href="./Coffee_production_in_Peru" id="mwBiU" rel="mw:WikiLink" title="Coffee production in Peru">coffee produced in Peru</a></b> is either <i id="mwBiY"><a href="./List_of_coffee_varieties" id="mwBic" rel="mw:WikiLink" title="List of coffee varieties">typica</a></i> or <i id="mwBig"><a href="./List_of_coffee_varieties" id="mwBik" rel="mw:WikiLink" title="List of coffee varieties">caturra</a></i>?