(Olympia, WA)  --  Consumers in Washington state are finding it more convenient to buy liquor these days, but liquor prices remain high.  The statewide average price in March for a liter of spirits was up 38 cents from the same time in 2013.  The "Bellingham Herald" quotes state Department of Revenue officials as saying the number of liters sold increased by more than one-million in the first 16 months following privatization, which took effect on June 1st, 2012.  However, sales have been slowing down in recent months.