[Retracted] Optimisation of Driver’s Traffic Literacy Evaluation Index from the Perspective of Information Contribution Sensitivity

Table 3

Characteristic values and contribution rates of principal components.

Number/item	Eigenvalues	Variance contribution rate	Cumulative variance contribution rate
		(%)	(%)
1	6.697	51.518	51.518
2	1.173	9.025	60.543
3	1.074	7.494	68.037
4	0.839	6.455	74.492
5	0.608	4.680	79.172
6	0.531	4.084	83.256
7	0.469	3.605	86.861
8	0.395	3.035	89.896
9	0.345	2.655	92.551
10	0.329	2.528	95.078
11	0.264	2.033	97.112
12	0.243	1.871	98.983
13	0.132	1.017	100.000