use strict;
use warnings;

my %hash = (
5328  => 'High',
26191 => 'Very High',
57491 => 'Low',
4915  => 'High',
1499  => 'Very High',
999   => 'Low',
4323  => 'Average',
4314  => 'High',
);
print "$_ => $hash{$_}\n" 
   foreach(sort{$hash{$a} cmp $hash{$b}} keys %hash);