Table 3.

Eigenvalues and distribution of variance for the first 10 components of each PCA

PC	Eigenvalue	Proportion of total variance (%)	Cumulative proportion (%)
Analysis of all hominid taxa
1	0.012000	39.4	39.4
2	0.003880	12.8	52.2
3	0.001980	6.5	58.7
4	0.001210	4.0	62.7
5	0.001050	3.5	66.1
6	0.000898	3.0	69.1
7	0.000779	2.6	71.7
8	0.000674	2.2	73.9
9	0.000589	1.9	75.8
10	0.000539	1.8	77.6
Analysis excluding humans
1	0.004870	24.3	24.3
2	0.002240	11.2	35.5
3	0.001310	6.5	42.0
4	0.001140	5.7	47.7
5	0.001110	5.6	53.2
6	0.000767	3.8	57.1
7	0.000704	3.5	60.6
8	0.000638	3.2	63.8
9	0.000588	2.9	66.7
10	0.000486	2.4	69.1