       gEnter = svg.enter().append('svg')
         .attr('viewBox', "0 0 #{width} #{height}")
         .attr('preserveAspectRatio', 'xMidYMid meet')
-      numer = gEnter.append('g').append('rect')
+
+      boxGroup = gEnter.append('g')
+
+      numer = boxGroup.append('rect')
         .attr('class', 'numer')
         .attr('width', xScale(data.NUMER))
         .attr('height', height)

        .attr('data-content', "Exceptions: #{data.DENEXCEP}")
        .attr('data-trigger', "hover focus")
        .attr('data-container', 'body') if data.DENEXCEP > 0


  width = 150

        .attr('data-trigger', "hover focus")
        .attr('data-container', 'body')

      boxGroup.append('rect')
        .attr('class', 'denex')
        .attr('width', xScale(data.DENEX))
        .attr('height', height)
