A zookeeper created the following stem$-$and$-$leaf plot showing the number of tigers at each major zoo in the country:

$\backslash [\backslash$left$|\backslash$quad $\backslash$begin$\{$matrix$\}0\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 1\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 2\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 3\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 4\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$end$\{$matrix$\}\backslash$quad $\backslash$right$|\backslash$quad $\backslash$begin$\{$matrix$\}7$& $\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 1$&$4$&$8$& $\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 5$&$5$&$5$&$6$&$7$&$7$&$9$& $\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$end$\{$matrix$\}\backslash ]$

Key: $\backslash [2\backslash ,|\backslash ,5=25\backslash ]$ tigers

How many zoos have more than $\backslash [13\backslash ]$ tigers?A zookeeper created the following stem$-$and$-$leaf plot showing the number of tigers at each major zoo in the country:

$\backslash [\backslash$left$|\backslash$quad $\backslash$begin$\{$matrix$\}0\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 1\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 2\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 3\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 4\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$end$\{$matrix$\}\backslash$quad $\backslash$right$|\backslash$quad $\backslash$begin$\{$matrix$\}7$& $\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 1$&$4$&$8$& $\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash 5$&$5$&$5$&$6$&$7$&$7$&$9$& $\backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$vphantom$\{\backslash$Large$\{0\}\}\backslash \backslash \backslash$end$\{$matrix$\}\backslash ]$

Key: $\backslash [2\backslash ,|\backslash ,5=25\backslash ]$ tigers

How many zoos have more than $\backslash [13\backslash ]$ tigers?