 Between 1890 and 1990 , in North America there were 53 reported , confirmed attacks on humans , resulting in 48 nonfatal injuries and 10 deaths of humans ( the total is greater than 53 because some attacks had more than one victim ) . By 2004 , the count had climbed to 88 attacks and 20 deaths . 
 Between 1890 and 1990 , in North America <a href='dey_it' title='1'><mark>there</mark></a> <a href='uninflect' title='2'><mark>were</mark></a> 53 reported , confirmed attacks on humans , resulting in 48 nonfatal injuries and 10 deaths of humans ( the total <a href='drop_aux' title='3'><mark>is</mark></a>greater than 53 because some attacks had more than one victim ) . By 2004 , the count <a href='been_done' title='4'><mark>had</mark></a> climbed to 88 attacks and 20 deaths . 
Between 1890 and 1990 , in North America it was 53 reported , confirmed attacks on humans , resulting in 48 nonfatal injuries and 10 deaths of humans ( da total greater den 53 because some attacks had more than one victim ) . By 2004 , tdacount done climbed to 88 attacks and 20 deaths .