How to Find 'Non-Null' Works Information

[Will J]

I would like to know if there is a way to locate all public orcid ids that have works information so I can pull citations from work.  

I have attempted to use the csv-search api and pull orcid ids using popular names such as Mary, John, William, etc.  However, I'm running across so many orcids that have null or empty works data.  

Is there a better way for me to locate Orcid Ids that have works information?