>
                        </xf:instance>
                        <xf:instance id="days-itemset">
                            <days></days>
                        </xf:instance>
                        <xf:action ev:event="xforms-model-construct-done">
                            <xf:action xxf:iterate="(1970 to year-from-date(current-date()))">
                                <xxf:variable select="." name="year" as="xs:string"></xxf:variable>
                                <xf:insert origin="xxf:element('