Retrieve total times an activity has been logged

gistfile1.php

$total = count( get_posts( array(
	'post_type'			=> 'mvp-card',
	'posts_per_page'		=> - 1,
	'suppress_filters'		=> false,
	'connected_direction'		=> 'from',
	'connected_type'		=> 'activity-to-mvp-card',
	'connected_items'		=> $activity_id
) ) );