Individuals
Reference	Sex	Width	Notes
Peer2014	male	13	
Naderloo2016	male	12	
Poupin2018	male	11.4	
Poupin2018	male	10.3	
Skov2001	non-specified	15.8	digitized from figure 1
Skov2001	non-specified	15.8	digitized from figure 1
Skov2001	non-specified	16	digitized from figure 1
Skov2001	non-specified	15.9	digitized from figure 1
Skov2001	non-specified	16	digitized from figure 1
Skov2001	non-specified	16.1	digitized from figure 1
Skov2001	non-specified	16.1	digitized from figure 1
Skov2001	non-specified	16	digitized from figure 1
Skov2001	non-specified	16.2	digitized from figure 1
Skov2001	non-specified	16.2	digitized from figure 1
Skov2001	non-specified	16.2	digitized from figure 1
Skov2001	non-specified	16.3	digitized from figure 1
Skov2001	non-specified	16.3	digitized from figure 1
Skov2001	non-specified	16.4	digitized from figure 1
Skov2001	non-specified	16.4	digitized from figure 1
Skov2001	non-specified	16.5	digitized from figure 1
Skov2001	non-specified	16.6	digitized from figure 1
Skov2001	non-specified	16.7	digitized from figure 1
Skov2001	non-specified	16.8	digitized from figure 1
Skov2001	non-specified	16.8	digitized from figure 1
Skov2001	non-specified	16.9	digitized from figure 1
Skov2001	non-specified	17	digitized from figure 1
Skov2001	non-specified	17	digitized from figure 1
Skov2001	non-specified	16.8	digitized from figure 1
Skov2001	non-specified	17.1	digitized from figure 1
Skov2001	non-specified	17.1	digitized from figure 1
Skov2001	non-specified	17.3	digitized from figure 1
Skov2001	non-specified	17.3	digitized from figure 1
Skov2001	non-specified	17.3	digitized from figure 1
Skov2001	non-specified	17.5	digitized from figure 1
Skov2001	non-specified	17.8	digitized from figure 1
Skov2001	non-specified	17.5	digitized from figure 1
Skov2001	non-specified	17.5	digitized from figure 1
Skov2001	non-specified	17.6	digitized from figure 1
Skov2001	non-specified	17.6	digitized from figure 1
Skov2001	non-specified	17.5	digitized from figure 1
Skov2001	non-specified	17.4	digitized from figure 1
Skov2001	non-specified	18.1	digitized from figure 1
Skov2001	non-specified	18.2	digitized from figure 1
Skov2001	non-specified	18.1	digitized from figure 1
Skov2001	non-specified	18.1	digitized from figure 1
Skov2001	non-specified	18.1	digitized from figure 1
Skov2001	non-specified	18	digitized from figure 1
Skov2001	non-specified	18.3	digitized from figure 1
Skov2001	non-specified	18.4	digitized from figure 1
Skov2001	non-specified	18.5	digitized from figure 1
Skov2001	non-specified	18.9	digitized from figure 1
Skov2001	non-specified	18.9	digitized from figure 1
Skov2001	non-specified	19.7	digitized from figure 1
Skov2001	non-specified	19.6	digitized from figure 1
Skov2001	non-specified	19.5	digitized from figure 1
Skov2001	non-specified	19.7	digitized from figure 1
Skov2001	non-specified	20	digitized from figure 1
Skov2001	non-specified	20	digitized from figure 1
Skov2001	non-specified	20.1	digitized from figure 1
Skov2001	non-specified	20.3	digitized from figure 1
Skov2001	non-specified	20.3	digitized from figure 1
Skov2001	non-specified	20.5	digitized from figure 1
Skov2001	non-specified	20.6	digitized from figure 1
Skov2001	non-specified	20.7	digitized from figure 1
Skov2001	non-specified	20.5	digitized from figure 1
Skov2001	non-specified	21.2	digitized from figure 1
Skov2001	non-specified	21	digitized from figure 1
Skov2001	non-specified	21	digitized from figure 1
Skov2001	non-specified	20.8	digitized from figure 1
Skov2001	non-specified	20.9	digitized from figure 1
Skov2001	non-specified	20.9	digitized from figure 1
Skov2001	non-specified	21.2	digitized from figure 1
Skov2001	non-specified	21.5	digitized from figure 1
Skov2001	non-specified	21.3	digitized from figure 1

Ranges
Reference	Sex	n	Min	Max	Notes
Poupin2018	male	9	7.8	12.8	
Poupin2018	female	8	6.5	10.3	
Poupin2018	male	2	9.2	10.5	
Poupin2018	female	2	8.5	11	
Poupin2018	male	11	8.3	14	
Poupin2018	male	8	5.5	13.4	
Poupin2018	female	4	8.5	11.8	
Poupin2018	male	10	8	14.7	

Means
Reference	Sex	n	Mean	Notes
Peer2014	male	1	20	
Richmond1997	non-specified	1	14	rough values