my @data = (
  { value1 => { name => 'xyz', values => [1..20] } },
  { value2 => { name => 'abc', values => [21..40] } },
  { value3 => { name => 'era', values => [41..60] } },
  { value4 => { name => 'bla', values => [ [61,61.5], [62,62.5] ] }
);