query.addScalar("volumes", StandardBasicTypes.INTEGER);
query.addScalar("pages", StandardBasicTypes.INTEGER);
query.addScalar("intervall", StandardBasicTypes.STRING);
@SuppressWarnings("rawtypes")
List list = query.list();
StringBuilder title = new StringBuilder(StatisticsMode.PRODUCTION.getTitle());
title.append(" (");
title.append(this.cu.getTitle());
if (stepname == null || stepname.equals("")) {