Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
wrkl	65.6	78.5	86	89.75	100
ind	80.9	98.55	104.45	113.05	122.4
gron	137.7	175.75	202.9	237.65	321.9
bouw	81.1	99.7	110	118.45	138.7

Boxplot Notches
Variable	lower bound	median	upper bound
wrkl	83.7052573673721	86	88.2947426326279
ind	101.492331717946	104.45	107.407668282054
gron	190.273816092474	202.9	215.526183907526
bouw	106.175428945620	110	113.824571054380