List<PieChart> charts = new ArrayList<PieChart>();
for (Entry<String, Statistic> entry : statics.entrySet()) {
PieChart chart = new PieChart().setMaxSize(Integer.MAX_VALUE);
List<Item> items = new ArrayList<Item>();
Statistic values = entry.getValue();
Map<String, StatisticsItem> statisticsItems = values.getStatisticsItems();
for (StatisticsItem tmp : statisticsItems.values()) {
Item item = new Item();
item.setNumber(tmp.getCount());