The number of job postings for cybersecurity professionals has grown 94% since 2013, three times faster than IT jobs overall, according to data released today by Burning Glass Technologies, a labor market analytics firm based in Boston.

On the other hand, there was a pool of only 2.3 employed cybersecurity workers for each job opening in 2018 — the same ratio as in 2015-2016, according to the report.

“As demand for cybersecurity workers has boomed, the supply of these workers has struggled to keep pace,” Burning Glass CEO Matthew Sigelman said. “This cybersecurity challenge shows no sign of slowing, either for government or business.”

Cybersecurity jobs account for 13% of all IT jobs, but they take 20% longer to fill, on average, according to Burning Glass.

In addition, the average advertised salary for cybersecurity jobs is $93,540; that is 16% more than the average for all IT jobs.