public void addYesterday(FacWarStat stat) {
		if (stat instanceof CharacterKills) {
			characterKillsYesterday.add((CharacterKills) stat);
		} else if (stat instanceof CharacterVictoryPoints) {
			characterVictoryPointsYesterday.add((CharacterVictoryPoints) stat);
		} else if (stat instanceof CorporationKills) {
			corporationKillsYesterday.add((CorporationKills) stat);
		} else if (stat instanceof CorporationVictoryPoints) {
			corporationVictoryPointsYesterday.add((CorporationVictoryPoints) stat);
		} else if (stat instanceof FactionKills) {
			factionKillsYesterday.add((FactionKills) stat);
		} else if (stat instanceof FactionVictoryPoints) {
			factionVictoryPointsYesterday.add((FactionVictoryPoints) stat);
		}
	}