Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
iptot	86	96.2	101.7	106	115.5
ipkl	66.5	80.6	87.3	94.1	109.7
pkl	96.3	96.8	97.3	100	100.6
invkl	28.4	42.8	54.5	72	112

Boxplot Notches
Variable	lower bound	median	upper bound
iptot	99.717476951119	101.7	103.682523048881
ipkl	84.5689733510313	87.3	90.0310266489687
pkl	96.6526455350593	97.3	97.9473544649407
invkl	48.5928905074159	54.5	60.4071094925841