$4\mathrm{.}68$ Shark Attacks. The International Shark Attack File, maintained by the American Elasmobranch Society and the Florida Museum of Natural History, is a compilation of all known shark attacks around the globe from the mid $1500s$ to the present. Following is a contingency table providing a cross$-$classification of worldwide reported shark attacks during the $1990$s$,$ by country and lethality of attack.

$\backslash$table$[[,$Lethality,$],[\backslash$table$[[$Fatal$],[L_1$