 Its value appreciated and it was worth more than the U.S. dollar for part of the 1970s.The high point was on April 25, 1974, when it reached US$1.0443.The Canadian dollar fell in value against its American counterpart during the technological boom of the 1990s that was centred in the United States, and was traded for as little as US$0.6179 US on January 21, 2002, which was an all-time low.