english: This is from the FBI Uniform Crime Statistics. You can see that there is a fairly low rate of violence in the '50s and the '60s, then it soared upward for several decades, and began a precipitous decline, starting in the 1990s, so that it went back to the level that was last enjoyed in 1960.
non_english: Údaje sú zo štatistík kriminality spracovaných v FBI. Ako vidíte, v 50. a 60. rokoch 20. storočia je miera násilia pomerne nízka, potom na niekoľko rokov vzrástla a následne v 90. rokoch 20. storočia nastal výrazný pokles a návrat k hodnote miery násilia zo 60. rokov.