Table 7.

Cluster analysis results

Number of Clusters	BIC	BIC change	Ratio of BIC change	Ratio of distance measures
1	1073.416
2	801.463	− 271.954	1.000	2.397
3	709.753	− 91.710	.337	1.880
4	678.418	− 31.335	.115	1.378
5	665.887	− 12.531	.046	1.120
6	658.695	− 7.192	.026	1.052
7	653.697	− 4.998	.018	1.142
8	653.969	.272	− .001	1.674
9	669.141	15.172	− .056	1.179
10	687.669	18.528	− .068	1.178
11	709.026	21.357	− .079	1.018
12	730.666	21.640	− .080	1.088
13	753.570	22.904	− .084	1.140
14	778.241	24.671	− .091	1.009
15	803.025	24.785	− .091	1.057

BIC Bayesian information criterion