Table 3.

Principal component analysis eigenvalues

PC	Eigenvalue	Difference	Proportion	Cumulative
1	3.94	1.69	0.36	0.358
2	2.25	0.67	0.2	0.563
3	1.58	0.59	0.14	0.706
4	0.99	0.36	0.09	0.797
5	0.64	0.15	0.06	0.855
6	0.49	0.05	0.04	0.899
7	0.44	0.11	0.04	0.939
8	0.33	0.15	0.03	0.969
9	0.18	0.05	0.02	0.985
10	0.13	0.11	0.01	0.998
11	0.03		0.003	1

PC, principal component.