code: function writeEntryValues() {
              svg.select('.legend-group')
                  .selectAll('g.legend-line')
                  .selectAll('g.legend-entry')
                .append('text')
                  .classed('legend-entry-value', true)
                  .text(getFormattedQuantity)
                  .attr('x', chartWidth - valueReservedSpace)
                  .style('font-size', `${textSize}px`)
                  .style('letter-spacing', `${numberLetterSpacing}px`)
                  .style('text-anchor', 'end')
                  .style('startOffset', '100%');
          }
docs: Draws the data entry quantities within the legend-entry lines
  @return {void}
  @private