The latest annual report released Friday by the Committee on Foreign Investment in the United States, the interagency panel at the Treasury Department that reviews transactions for potential national security risks, shows that the number of notices filed increased significantly from 2014 through 2017, and the number of investigations rose 237%.

The annual report for 2016 and 2017, the last years for which statistics were published, shows the number of CFIUS notices filed at the panel rose 61% from 147 in 2014 to 237 in 2017. The number of investigations rose from 51 to 172.