Insights into Controlling the Spread of COVID-19: A Study Inspired by Seven of the Earliest Vaccinated Countries

Table 3

Proportion of variance explained from PCA analysis.

	PC1	PC2	PC3	PC4	PC5	PC6	PC7	PC8	PC9	PC10	PC11	PC12	PC13
Proportion of variance	0.316	0.243	0.214	0.085	0.047	0.044	0.017	0.014	0.009	0.008	0.003	0.002	0.000
Cumulative proportion	0.316	0.558	0.773	0.858	0.905	0.949	0.966	0.979	0.988	0.995	0.998	1.000	1.000