There was light voter turnout in Tuesday’s primary election—just 26 percent of registered Kentucky voters cast a ballot.

That’s of a record 3.1 million registered voters.

Turnout was highest in some Eastern Kentucky counties, most notably those in which the Kentucky Attorney General’s office says reports of vote-buying were highest.

Related: 4 Things That Could Improve Voter Turnout

Related: Why 9 Louisville Residents Voted In The Primary

Secretary of State Alison Lundergan Grimes, who won her Democratic primary in her bid to unseat incumbent Republican U.S. Sen. Mitch McConnell, correctly predicted that turnout would not rise above 30 percent.