[Plugin: WordPress Blog Vitals] duplicate alexa results

When using <?php echo vitals_get_cached_alexa_rank(”); ?> more than once on a post/page with multiple domains, only the first domains queued alexa ranking is shown for all functions.

For example: If I had 3 of the functions on one page:

<?php echo vitals_get_cached_alexa_rank('http://example1.com'); ?>
<?php echo vitals_get_cached_alexa_rank('http://example1.net'); ?>
<?php echo vitals_get_cached_alexa_rank('http://example1.org'); ?>

Only the results for <?php echo vitals_get_cached_alexa_rank('http://example1.com'); ?> show for each function.