def stats_table(self, data):
        """Add percent combined to general stats table"""
        headers = OrderedDict()
        headers['combopairs'] = {
            'title': 'Combined pairs',
            'description': 'Num read pairs combined',
            'shared_key': 'read_count',
            'hidden': True,
            'scale': False
        }
        headers['perccombo'] = {
            'title': '% Combined',
            'description': '% read pairs combined',
            'max': 100,
            'min': 0,
            'suffix': '%',
            'scale': 'PiYG'
        }
        self.general_stats_addcols(data, headers)
Add percent combined to general stats table