<apex:chart data="{!param.barData}"
                                width="100%"
                                height="300px"
                                theme="Green"
                                colorSet="#156F9E,#FF9123,#6BAE4A,#424242,#A4A4A4">
                        <apex:barSeries orientation="horizontal"
                                        axis="left"
                                        stacked="false"
                                        xField="value1,value2"
                                        yField="name"
                                        title="A,B">
                            <apex:chartLabel field="value1" display="outside" color="#999" font="11px bold" orientation="horizontal"/>
                            <apex:chartLabel field="value2" display="outside" color="#999" font="11px bold" orientation="horizontal"/>
                        </apex:barSeries>

                        <apex:axis position="bottom"
                                   type="Numeric"
                                   fields="value1,value2">
                            <apex:chartLabel/>
                        </apex:axis>

                        <apex:axis position="left"
                                   type="Category"
                                   grid="true"
                                   fields="name">
                            <apex:chartLabel/>
                        </apex:axis>

                        <apex:legend position="top"/>
                    </apex:chart>