private static final String[] COLUMN_ORDER = { "personId", "firstName", "lastName", "party", "bornYear", "totalDaysServed",
            "currentAssignments", "totalAssignments", "firstAssignmentDate", "lastAssignmentDate",
            "totalDaysServedParliament", "totalDaysServedCommittee", "totalDaysServedGovernment",
            "totalDaysServedEu",