The latest Gallup poll shows it is up to 40%! Some people seem to love the government shutdown! Either that or the poll includes a lot of Russians!
https://www.newsmax.com/newsfront/gallup-presidential-approval-ratings-impeachment/2018/12/24/id/895736/
https://www.newsmax.com/newsfront/gallup-presidential-approval-ratings-impeachment/2018/12/24/id/895736/