an="4" footerText="Total">
                                            <f:facet name="footer">
                                                <h:outputLabel value="Total" />
                                            </f:facet>
                                        </p:column>
                                        <p:column style="text-align: right;" footerText="#{reportsStock.stockPurchaseValue}">
                                            <f:facet name="footer" >
                                   