The document contains several bar graphs showing the distribution of different groups across various countries. The first graph shows that 40% of parents come from Italy, 30% from Greece, 10% each from Spain, Portugal and Turkey. The second graph shows the distribution of professors, with 31% from Greece, 23% from Portugal, 15% each from Spain and Italy, and 8% each from France and Turkey. The third graph is a pie chart showing the distribution of students, with 36 from Spain, 16 each from Italy and Turkey, 10 from Greece, 6 from Portugal, and 1 each from France, Malta and Poland.