You may be interested in taking a look at the AAPC salary survey. The CRC credential, being relatively new is not listed, but in the future more data will be available, so check back next year. At best, you can see how the CPC credential does in the survey, and how experience increases your potential salary. Here is the URL:
http://news.aapc.com/2014-healthcare-business-salary-survey-infographic/
BTW,
Chandra Stephenson, CPC, CIC, COC, CPB, CPCO, CPMA, CPC-I, CCS, CANPC, CEMC, CFPC, CIMC, CGSC, COSC, CRC, presented "A Day in the Life of an RA/HCC coder" during the October 2015 Q&A Webinar. It will be available in the CCO Club later this month.
CCO Club -
http://cco.pe/1k0yNIf Join the CCO Club for $19.95 per month and get access to the transcript, answer sheets, CEU quiz, video clips. Or you can see the video clip -when it get posted - on CCO's YouTube Channel -
http://cco.pe/T2hCwh