ALBANY — The number of exonerations involving misconduct by police, prosecutors and other government officials is at an all-time high, according to a report released Wednesday by the National Registry of Exonerations.

The registry recorded 139 exonerations in the U.S. last year, a decline from the 171 reported in 2016. A record-high 84 exonerations—out of the 139—involved misconduct by police, prosecutors and other government officials, according to the report.