style="width: 20px;">
                                    <h:outputLabel value="#{ii+1}" />
                                </p:column>

                                <p:column headerText="Code" 
                                          sortBy="#{i.code}" filterBy="#{i.code}"
                                          styleClass="averageNumericColumn"
                                          filterMatchMode="startsWith">
                                    <f:facet name="header">
                        