waiopehu oldboy
George Smith (75)
More than most ITM games!
Numbers are hardly ever published but you're right, the numbers are obviously not great & it's not gone unnoticed:
http://www.stuff.co.nz/sport/rugby/provincial/10530293/NZRU-boss-Steve-Tew-concerned-by-low-turnouts
Fair to say most sports are struggling to some degree or other, except at the very top end e.g. world cups.