Table 1. Last 10 generations of the clustering history.

Number of clusters	R2	t2 statistic (PST2)	Cubic Clustering Criterion (CCC)
10	0.915	64.8	35.3
9	0.907	60.4	34
8	0.895	108	31.4
7	0.88	1009	29.1
6*	0.864	50.1	23
5	0.835	258	20.2
4	0.804	86	20.4
3	0.767	70.9	24.6
2	0.543	651	5.65
1	0	1187	0

^*The set of simulated dynamics was split into six clusters by considering values of R² grater than 0.85, values of pseudo t² statistics markedly smaller than the consecutive ones when reading the table from the bottom and values of CCC greater than 3. The minimum number of clusters satisfying all these criteria is 6.