The Oregon Health Authority published its 2018 Data summary.
In this document you will read that in 2018, 249 people received prescriptions for lethal medications. According to data gathered as of January 22, 168 people died in 2018 from ingesting the prescribed medications, including 11 who had received the prescriptions in previous years.
Since assisted suicide became legal in 1997, prescriptions have been written for a total of 2,217 people; 1,459 people (65.8%) died from ingesting the medications. The annual report also says that two doctors were referred to the Oregon Medical Board for failing to comply with regulations about assisted dying. One patient recovered consciousness before dying from the underlying illness. (See also the website of bioedge)