This is from some cable test where around 50 people showed up. Obviously, those are people more obsessed with audio reproduction than average. Out of them...
"55% of voting audience uses bulk wire (not branded) on their home systems. Of those that use branded cables, 72% cost $500 or less per set in retail dollars. Therefore, 13% of audience use “expensive cables”, 33% use branded cables $500 or less."
https://www.stereophile.com/content/minnesota-audio-society-conducts-cable-comparison-tests-0#kR5mmi...