[Bar chart] Y-axis: % share of graduates (0-100). X-axis: countries, each with two bars — 2004 (orange) and 2010 (purple). Approximate values (2004% / 2010%): Belgium 14/28; Denmark 16/20; Estonia 75/88; Finland 28/15; France 11/23; Germany 5/10; Greece 44/63; Hungary 7/14; Ireland 39/37; Netherlands 4/12; Norway 27/31; Poland 35/43; Slovenia 13/10; Spain 23/37; Sweden 35/34; Switzerland 5/6; Ukraine 59/43; United Kingdom 39/59. Source: European Social Survey, own calculations.
What is the percentage increase in Norway from 2004 to 2010?