Instead of having an array of pairs, you should use a hash. Something along these lines:

my %h = (
   correct => $some_value,
   date    => $other_value,
   ...
);

# later on you can retrieve the data like this, without any iteration:

my $date = $h{'date'};
my $cor  = $h{'correct'};
[download]

Learn about hashes, they are really worth your time.