Content inside a table cell doesn't take the whole space

table {

}

thead {
  background-color: black;
  color: white;
}

tbody, tr, td {
  border: 1px solid black;
}

.cell-first-column {
  width: 200px;
  height: 70px;  
}

.cell, th {
  width: 100px;
  height: 70px;
}

.td-cell {
  height: 70px;
  border: 1px solid black;
}

.chart {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0
}

.chart-inner {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: gold;
}

.cell-text {
  z-index: 10;
}

<table>
  <thead>
    <tr>
      <th>Company</th>
      <th>Contact</th>
      <th>Country</th>
      <th>Number</th>
    </tr>
  </thead>
  
  <tr>
    <td><div class="cell-first-column">Alfreds Futterkiste</div></td>
    <td><div class="cell">Maria Anders</div></td>
    <td><div class="cell">Germany</div></td>
    <td><div class="cell">1234567</div></td>
  </tr>
  <tr>
    <td><div class="cell-first-column">Centro comercial</div></td>
    <td><div class="cell">Francisco Chang</div></td>
    <td><div class="cell">Mexico</div></td>
    <td><div class="cell">1234567</div></td>
  </tr>
  
  <tr>
    <td><div class="cell-first-column">Opla</div></td>
    <td class="td-cell">
      <div class="chart">
        <div class="chart-inner" style="height: 90%"></div>
        <div class="cell-text">Charles Boule</div>
      </div>
    </td>
    <td class="td-cell">
      <div class="chart">
        <div class="chart-inner" style="height: 30%"></div>
        <div class="cell-text">France</div>
      </div>
    </td>
    <td class="td-cell">
      <div class="chart">
        <div class="chart-inner" style="height: 50%"></div>
        <div class="cell-text">1234567</div>
      </div>
    </td>
  </tr>
</table>