vs. 4% increase in MDs

The total number of applicants to medical school grew by 6.1 percent to 48,014, surpassing the previous record set in 1996 by 1,049 students. First-time applicants, another important indicator of interest in medicine, increased by 5.8 percent to 35,727. The number of students enrolled in their first year of medical school exceeded 20,000 for the first time (20,055), a 2.8 percent increase over 2012.

https://www.aamc.org/download/321532/data/2013factstable27-2.pdf
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Who has a better control of the demand and supply balance?