utLabel id="rate" value="#{bi.rate}" >
                                                    <f:convertNumber pattern="#,##0.00" />
                                                </h:outputLabel>
                                            </p:column>
                                            <p:column headerText="Value" width="10%">
                                                <h:outputLabel value="#{bi.grossValue}" id="gros">
                                                    <f:convertNumber pattern