20%, announced before 4/2
34%, announced 4/2, 累计 54%
50%, announced 4/7, 累计104%
announced 125% 4/9 : https://www.bbc.com/news/articles/c5y66qe404po
announced 145% 4/10, it is 125%+20% (before 4/2)。
announced exempt for smartphones, computers, some electronics, 4/12. This accounts about more than 1/4 of all china imports.