Only about 10% (469/3848) of their data had actual birth dates and death dates.[1] That looks like this: https://image.ibb.co/bJLq4G/lspan.png https://image.ibb

Only about 10% (469/3848) of their data had actual birth dates and death dates.[1] That looks like this: https://image.ibb.co/bJLq4G/lspan.png https://image.ibb.co/bJLq4G/lspan.png [1] https://elifesciences.org/articles/31157/figures#supp1 https://elifesciences.org/articles/31157/figures#supp1 EDIT: I'm not sure what to conclude from that but think the clean data only should have been in the paper...