"As of end of the 2018–19 competition which concluded in December 2018.Runners-up in (parentheses)"

The Old Firm dominance as well as Aberdeen, Hearts and Hibernian's lesser success is particularly stark when expressed in colour as shown below, with other clubs' entries in red appearing sporadically and briefly other than a sustained period in the 15 years following World War II, the "New Firm" years of the 1980s, and the 2010s amid Rangers' financial collapse.