Iowa does.
Similar numbers to 2014 ( favorable GOP year) and less like 2012.
https://sos.iowa.gov/elections/voterinformation/generalelection2018.html
2014
https://sos.iowa.gov/elections/pdf/2014/general/absenteestats.pdf
2012
https://sos.iowa.gov/elections/pdf/2012/general/archiveabsstats.pdf