function Summary ({ avgStaked, className, lastEra, lowStaked, minNominated, minNominatorBond, stakedReturn, totalIssuance, totalStaked }: Props): React.ReactElement<Props> {
  const { t } = useTranslation();
  const { api } = useApi();
  const lastReward = useCall<BN>(lastEra && api.query.staking.erasValidatorReward, [lastEra], OPT_REWARD);