using stats_get_csv for jetpack views

Question

I'm using the below code to get my stats for the month of August, but it's only returning 500 results.

I set days to -1 which is unlimited and the limit is 2000, why is it only printing 500?

<?php if ( function_exists('stats_get_csv') && $top_posts = stats_get_csv('postviews', 'period=month&end=2022-08-31&days=-1&limit=2000') ) : ?>
        <ol>
            <?php foreach ( $top_posts as $p ) : ?>
                <li>
                    <?php var_dump($p); ?>
                </li>
            <?php endforeach; ?>
        </ol>
<?php endif; ?>