code: def track_statistic(self, name, description='', max_rows=None):
          
          if name in self._tables:
              raise TableConflictError(name)
          if max_rows is None:
              max_rows = AnonymousUsageTracker.MAX_ROWS_PER_TABLE
          self.register_table(name, self.uuid, 'Statistic', description)
          self._tables[name] = Statistic(name, self, max_rows=max_rows)
docs: Create a Statistic object in the Tracker.