Gunnþór Steinar Jónsson has officiated 26 matches on record, averaging 3.9 cards and 0.0 fouls per game — a balanced official. A player is dismissed roughly once every 3 games, and the spot is pointed to 0.27 times per match. Home teams win 42% of matches under him, drawing 19% and losing 38%. Most active in the Inkasso-Deildin (18 matches). 32% of his bookings come after the 75th minute, with the first card around the 39'.