code: def read_stats(self):
          
  
          stats_with_captions = OrderedDict()
          for stat_name in self.stats_captions.keys():
              stats_with_captions[stat_name] = self.read_stat(self.stats_captions[stat_name], stat_name)
          return stats_with_captions
docs: :return: dictionary {group name {stat name: value}}.
              Sea XenaTpld.stats_captions.