<https://www.challengergray.com/blog/2019-year-end-ceo-report-160-ceos-out-december-highest-annual-quarterly-totals/site-navigation>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/SiteNavigationElement>
<https://www.challengergray.com/blog/2019-year-end-ceo-report-160-ceos-out-december-highest-annual-quarterly-totals/>