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1963: 681,081 (first year available)
1967: 788,403
1971: 974,976
1973: 1,087,400
1974: 947,178 (fuel crisis period)
1978: 1,307,919
1988: 2,163,789
1991: 2,503,063
1995: 2,442,062
Bryce Canyon
1929: 21,997 (earliest record)
1940: 103,362
1943: 8,075 (World War II gas rationing)
1946: 129,134
1952: 225,880
1974: 410,307 (fuel crisis period)
1987: 1,013,541
1995: 1,468,585
Source: National Park Service.
