Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
jaar1	57.1	80	88.8	96.85	106.7
jaar2	57.6	74.6	81.75	91.8	100.8
jaar3	54.3	69.1	76.2	82.85	91
jaar4	52.2	70.7	77.3	85.3	89.9
jaar5	58.2	67.55	70.2	77.85	85.4

Boxplot Notches
Variable	lower bound	median	upper bound
jaar1	81.1146018916823	88.8	96.4853981083177
jaar2	73.9049645422514	81.75	89.5950354577486
jaar3	69.9285327009277	76.2	82.4714672990723
jaar4	70.6408419951669	77.3	83.9591580048331
jaar5	65.502100859604	70.2	74.897899140396