sztm-excel/src/stats/stats.js

import React from 'react'

class Stats extends React.Component {
  render () {
    const data = this.props.stats

    return (
        <div id='stats'>
        <h2>Statistik</h2>
        <table>
            <tbody>
                {Object.keys(data).map((key, idx) => (
                    <tr key={idx}><th>{key}</th><td>{data[key].length}</td></tr>
                ))}
            </tbody>
        </table>
        </div>
    )
  }
}

export default Stats