Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
wl_vla	69.83	84.41	94.36	105.06	122.94
wl_wa	88.35	96.37	101.27	103.69	111.76
wl_bru	98.75	105.42	107.74	110.7	117.58
wl_bel	83.47	93.94	99.74	105.08	111.84

Boxplot Notches
Variable	lower bound	median	upper bound
wl_vla	90.4321707713706	94.36	98.2878292286294
wl_wa	99.8776653775512	101.27	102.662334622449
wl_bru	106.735693059217	107.74	108.744306940783
wl_bel	97.6210645226668	99.74	101.858935477333