TWIN FALLS, Idaho (KLIX) – Adult automobile crash fatalities in Idaho increased by as much as 25 percent in 2017 over previous years, according to a new report by Idaho State Police.

According to ISP Forensic Services annual Toxicology Trends Report, released on Friday, there were 87 adult fatalities in 2017, whereas the “average number of cases submitted for the previous 10 years was 70 cases per year,” the report reads.

ISP received 2,809 toxicology cases in fiscal year 2017, which were 31 more cases than in fiscal year 2016 and 197 more than in 2015. The report says,

Of the 881 adult DUI toxicology cases tested in FY2017, 81% of them tested positive for one or more drugs, either legal or illegal. The urine toxicology adult DUI results are noteworthy as only 6.8% of the cases had no drugs reported.

More than 66 percent of the blood and urine toxicology cases submitted for the year were DUI cases.