Never counted them, but when in Liverpool in the late 60s and early 70s, I can vouch for the fact that were weren't many Albion fans on cold, wet mid-week evenings at the likes of Tranmere and Southport!
Probably 15th. March 1969 at Boundary Park, Oldham. Freezing cold day. Bit of mist. Crumbling stadium - no idea how few there were that day (home or away) but it was few!
Saw two young lads with blue and white scarves over in the far distance in a near empty terrace behind one of the goals, so...