Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
jan	9492	9659	9799	9928	10158
feb	8641	8686	9014.5	9225	9511
ma	9402	9782	9891	10313	10474
apr	9080	9441	9607	9701	9819
mei	9162	9294	9731	10195	10540
jun	8971	9464	9626.5	10048	10281
jul	10010	10082	10207	10444	10915
aug	9548	9793	10104.5	10541	11183
sept	9313	9563	9933.5	10208	10695
okt	9365	9596	9854	10233	10834
nov	8820	8919	9238.5	9439	9886
dec	9241	9391	9597.5	9963	10216

Boxplot Notches
Variable	lower bound	median	upper bound
jan	9664.59687488752	9799	9933.40312511248
feb	8745.19410990474	9014.5	9283.80589009526
ma	9625.69122886719	9891	10156.3087711328
apr	9477.09363372028	9607	9736.90636627972
mei	9280.82447685375	9731	10181.1755231463
jun	9334.71031574094	9626.5	9918.28968425906
jul	10026.130366949	10207	10387.869633051
aug	9730.76937701066	10104.5	10478.2306229893
sept	9611.23228365224	9933.5	10255.7677163478
okt	9535.72940261469	9854	10172.2705973853
nov	8978.68726744057	9238.5	9498.31273255943
dec	9311.70599418462	9597.5	9883.29400581538