https://zbpublic.blob.core.windows.net/public/terrorism2015/...
Also modern terrorism is bad but we forget that far-left and state sponsored terrorism was worse in the 80s (numbers as of 2017):
number of attacks over time: https://zbpublic.blob.core.windows.net/public/terrorism2015/...
number of deaths: https://zbpublic.blob.core.windows.net/public/terrorism2015/...
And this is in the EU. In the US I am sure the numbers would be completely drown in the numbers for common crime.