private DataSeries getBrowserMarketShareSeries() {
    DataSeriesItem firefox = new DataSeriesItem("Firefox", 45.0);

    DataSeriesItem ie = new DataSeriesItem("IE", 26.8);

    DataSeriesItem chrome = new DataSeriesItem("Chrome", 12.8);
    chrome.setSliced(true);
    chrome.setSelected(true);

    DataSeriesItem safari = new DataSeriesItem("Safari", 8.5);

    DataSeriesItem opera = new DataSeriesItem("Opera", 6.2);

    DataSeriesItem others = new DataSeriesItem("Others", 0.7);

    return new DataSeries(firefox, ie, chrome, safari, opera, others);
  }