Table 4.

K-Means clustering analysis results.

Cluster	Sample sizes
3	1	2	3
	2,747	2,413	4,139
4	1	2	3	4
	4,147	1	2,745	2,406
5	1	2	3	4	5
	2,618	1,160	1,633	3,887	1
6	1	2	3	4	5	6
	1,505	1	2,171	3,030	1,107	1,485