About: http://webisa.webdatacommons.org/166756660

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	They were derived by a short series of trials with different parameters until a curve was obtained which placed the mean lengths of the various cohorts close to where the peaks are, except for age group 4.
http://www.w3.org/ns/prov#wasQuotedFrom	fao.org