 
       selection.append('text')
         .attr('class', 'zvg-point-label-small label-hover series2label n-label')
-        .text("n = ...")
+        .text("n = #{d.values.n}")
         .attr('transform', "translate(9, 12)")
         .style('opacity', 0)
         .datum(d.key)

  series_2_label_sum: (d) ->
    d3.sum((value.values.n or 0) for value in d.values)

  series_2_label_visibility: (label) ->
    if @series_3_domain().length is 1
      ""

    colors = @series_2_colors
    shapes = @series_2_shapes
    @series_2.each((d) ->
      console.log(d)
      d3.select(this).selectAll('.zvg-point-shape, .zvg-point-label').remove()
      new (shapes[d.key])(this, colors[d.key], "#{d.key}:#{d.values.series_1}:#{d.values.series_3}")
      selection = d3.select(this)
