2000, Portland, Oregon
1994, Portland, Maine
1988, Portland, Oregon
1978, Portland, Maine
1971, Portland, Maine
1966, Portland, Oregon
1944, Portland, Oregon
1936, Portland, Oregon
1932, Portland, Oregon
1926, Portland, Arkansas
1913, Portland, Maine
1909, Portland, Maine
1901, Portland, Maine
1900, Portland, Oregon
1895, Portland, Maine
1888, Portland, Maine
1884, Portland, Maine
1883, Portland, Maine
1879, Portland, Maine
