code: private static void addNewDataSerie(final DataSeries dataSeries, final Series series,
  			final SimpleDateFormat simpleDateFormat, final SimpleDateFormat parseIncomingDateFormat,
  			final Entry<String, List<ViewRiksdagenOrgDocumentDailySummary>> entry) {
  
  		series.addSeries(new XYseries().setLabel(entry.getKey()));
  		dataSeries.newSeries();
  
  		if (entry.getValue() != null) {
  			for (final ViewRiksdagenOrgDocumentDailySummary item : entry.getValue()) {
  				addDataItem(dataSeries, simpleDateFormat, parseIncomingDateFormat, item);
  			}
  		}
  	}
docs: Adds the new data serie.
  
  @param dataSeries              the data series
  @param series                  the series
  @param simpleDateFormat        the simple date format
  @param parseIncomingDateFormat the parse incoming date format
  @param entry                   the entry