It's an astonishing statistic that makes one wonder how many go untreated.
Brain Injury Association Hawke's Bay chairman Brett Morris summed up the traditional Kiwi approach perfectly from his own experience.
"I went back on the pitch and indeed discharged myself from hospital afterwards. I had a kind of, 'it'll be all right, just take a concrete pill and harden up' attitude."
Last week the Havelock North Function Centre played its part by hosting Geneva Healthcare's first ever BrainStorm: Heads Together For Concussion Conference.
It is a major step in the right direction.
Although we will never be able to completely eliminate the risk of playing any contact sport, we are addressing a subject that affects so many.
Hopefully our children will grow up with a wider knowledge and offer support to those who sensibly choose to sit the next match out to recover.
It's time to dump the 'she'll be right' attitude.