1
30+ in game 2010 - 2016
2010 - Highlanders (win) & Lions (win)
2011 - Crusaders (lost)
2012 - Reds (win) & Rebels (lost)
2013 - none
2014 - Rebels (won), Highlanders (won), Reds (won)
2015 - none
2016 - Sunwolves (won)
If the mark was 27 points you could almost triple those results.
Interesting though, about 80% of our oppositions did not score 30 against us either over thos years.