private static void writeTableRows(BufferedWriter out, Map<String, Row> dataInTable) throws IOException {
        Set<String> keySet = dataInTable.keySet();
        for (String key : keySet) {
            Row row = dataInTable.get(key);
            List<String> r = row.getRow();

            for (String elem : r) {
                out.write(elem + ";");
            }
            out.write("\n");
        }
    }