Casualties related to active shooter incidents in the U.S. 2000-2013

The statistic above represents the number of casualties related to active shooter incidents in the United States between 2000 and 2013. In 2001, about 43 casualties were counted as a result of active shooter incidents in the U.S.上述统计数据展示了2000年至2013年期间美国活跃枪手事件中的伤亡人数。在2001年，美国因活跃枪手事件共造成约43人死亡。