Ka cika wannan jumlar: A shekara ta 2016, hare-haren 'yan ta'adda guda biyu da aka kai da motoci a Turai sun yi sanadin mutuwar mutane da yawa: harin da aka kai a birnin Nice da ke Faransa a watan Yuli, wanda ya kashe mutane 86; da kuma harin da aka kai a birnin Berlin da ke Jamus a watan Disamba da ya kashe mutane 12. Wannan ya biyo bayan wasu hare-hare guda biyar masu kama da juna a shekarar 2017: daya a Urushalima a watan Janairu wanda ya kashe mutane hudu, daya a London a watan Maris wanda ya kashe uku, daya a Stockholm a watan Afrilu wanda ya kashe biyar,
wani hari na biyu a London a watan Yuni wanda ya kashe uku, da biyu a Barcelona da Cambrils a watan Agusta wanda ya kashe mutane goma sha huɗu. A wannan shekarar, wani irin wannan harin ya faru a Amurka, musamman a Birnin New York, a watan Oktoba, inda ya kashe mutane takwas. Sauran hare-haren ta'addanci na irin wannan M.O. sun faru ne a cikin kasashen Yammacin duniya tun daga 2014, kodayake waɗannan ba su haifar da mutuwar ba.