nostr:npub14srerwtz2tshx4llgwy2trmv5dvjyja9axpj4f3vledlsaqvpjxsvuz2z7 Heres the one citing BLS : 

Heres another link:

https://www.beckershospitalreview.com/hospital-physician-relationships/growth-of-healthcare-administrators-outpaced-physicians-increasing-3-200-between-1975-2010.html

https://cdn.masto.host/medmastodoncom/media_attachments/files/111/167/874/168/082/183/original/481cea4ea665c880.jpg