By using KoorTickets instead of Ticketkantoor.nl a lot of money has been saved already.
...organiser 1 saved between €387,43 and €559,43 (462 transactions: 771 admissions, 215 other products)
...organiser 2 saved €47,20 (48 transactions: 89 admissions)
...organiser 3 saved between €66,70 and €89,10 (97 transactions: 144 admissions, 28 other products)
...organiser 4 saved €187,91 (265 transactions: 423 admissions)
...organiser 5 saved between €140,00 and €209,60 (230 transactions: 310 admissions, 87 other products)
...organiser 6 saved between €20,00 and €21,60 (24 transactions: 40 admissions, 2 other products)
...organiser 7 saved €244,30 (239 transactions: 411 admissions)
...organiser 8 saved €431,20 (157 transactions: 653 admissions)
...organiser 9 saved €63,30 (76 transactions: 126 admissions)
...organiser 10 saved €177,40 (155 transactions: 338 admissions)
...organiser 11 saved between €530,61 and €649,81 (743 transactions: 1167 admissions, 149 other products)
...organiser 12 saved €57,80 (109 transactions: 154 admissions)
...organiser 13 saved €13,00 (22 transactions: 30 admissions)
...organiser 14 saved €40,51 (70 transactions: 95 admissions)
...organiser 15 saved €93,10 (121 transactions: 192 admissions)
...organiser 16 saved €33,30 (47 transactions: 71 admissions)
...organiser 17 saved €32,40 (36 transactions: 63 admissions)
...organiser 18 saved €93,30 (118 transactions: 181 admissions)
...organiser 19 saved €15,70 (23 transactions: 34 admissions)
...organiser 20 saved €9,90 (6 transactions: 13 admissions)
...organiser 21 saved €10,60 (14 transactions: 22 admissions)
...organiser 22 saved €105,60 (128 transactions: 212 admissions)
...organiser 23 saved €71,80 (106 transactions: 156 admissions)
...organiser 24 saved €71,30 (75 transactions: 136 admissions)
...organiser 25 saved €47,80 (34 transactions: 81 admissions)
...organiser 26 saved €163,30 (163 transactions: 306 admissions)
...organiser 27 saved €77,60 (72 transactions: 151 admissions)
...organiser 28 saved €34,30 (42 transactions: 66 admissions)
...organiser 29 saved €122,30 (157 transactions: 251 admissions)
...organiser 30 saved €5,20 (4 transactions: 9 admissions)
...organiser 31 saved €27,20 (40 transactions: 59 admissions)
...organiser 32 saved €42,60 (38 transactions: 77 admissions)
...organiser 33 saved €21,10 (25 transactions: 42 admissions)
...organiser 34 saved €73,10 (108 transactions: 157 admissions)
...organiser 35 saved €111,20 (104 transactions: 172 admissions)
...organiser 36 saved €57,10 (57 transactions: 107 admissions)
...organiser 37 saved €157,50 (165 transactions: 300 admissions)
...organiser 38 saved between €98,02 and €125,22 (120 transactions: 198 admissions, 34 other products)
...organiser 39 saved €79,00 (121 transactions: 189 admissions)
...organiser 40 saved €53,70 (72 transactions: 109 admissions)
...organiser 41 saved €62,50 (67 transactions: 120 admissions)
...organiser 42 saved between €40,70 and €42,30 (45 transactions: 79 admissions, 2 other products)
...organiser 43 saved between €22,40 and €29,60 (36 transactions: 55 admissions, 9 other products)
...organiser 44 saved €77,20 (106 transactions: 176 admissions)
...organiser 45 saved between €105,40 and €135,00 (114 transactions: 203 admissions, 37 other products)
...organiser 46 saved €67,70 (80 transactions: 134 admissions)
...organiser 47 saved €115,00 (183 transactions: 281 admissions)
...organiser 48 saved €42,11 (53 transactions: 87 admissions)
...organiser 49 saved €177,20 (204 transactions: 349 admissions)
...organiser 50 saved €73,00 (81 transactions: 140 admissions)
...organiser 51 saved €28,60 (39 transactions: 65 admissions)
...organiser 52 saved €0,80 (1 transaction: 1 admission)
...organiser 53 saved €4,00 (5 transactions: 5 admissions)
...organiser 54 saved between €80,79 and €175,19 (90 transactions: 110 admissions, 118 other products)