While electoral districts in Canada are now exclusively single-member districts, in the past, multiple-member districts were used at both the federal and provincial levels. Alberta had a few districts in its history that returned from two up to seven members: see Calgary, Edmonton and Medicine Hat. British Columbia had a mix of multiple-member districts in Vancouver and single-member districts elsewhere until the 1991 election, and Prince Edward Island had dual-member districts until the 1996 election.