Season 1 NPO 2 , 2010 - 2011 Season 2 NPO 2 , 2011 Season 3 NPO 2 , 2011 - 2012 Season 4 NPO 2 , 2012 Season 5 NPO 2 , 2013 Season 6 NPO 2 , 2013 Season 7 NPO 2 , 2014 Season 8 NPO 2 , 2014 Season 9 NPO 2 , 2015 Season 10 NPO 2 , 2015 Season 11 NPO 2 , 2015 Season 12 NPO 2 , 2016