'<Path Name="' + id('bubble',i) + '" Opacity="0" Canvas.ZIndex="2"'
                + '    Stroke="#CECECE" StrokeThickness="1"'
                + '    Canvas.Left="' + (x - 35) + '" Canvas.Top="' + (260 - values[i-1] + 2) + '"'
                + '    Data="M 0,2'
                + '          c 0,-2 -2,0 2,-2'
                + '          h 24'
                + '          c 2,0 0,-2, 2,2'
                + '          v 16'
                + '          c 0,2 2,0 -2,2'
                + '          h -8'
                + '          l -4 4'
                + '          l -4 -4'
                + '          h -8'
                + '          c -2,0 0,2 -2,-2'
                + '          v -16'
                + '">'
                + ' <Path.RenderTransform>'
                + '     <ScaleTransform CenterX="14" CenterY="24" ScaleX="1.5" ScaleY="1.5" />'
                + ' </Path.RenderTransform>'
                + '    <Path.Fill>'
                + '        <LinearGradientBrush StartPoint="0,0" EndPoint="0,1">'
                + '            <GradientStop Color="#FFFFFF" Offset="0.0"/>'
                + '            <GradientStop Color="#F0F0F0" Offset="1.0"/>'
                + '        </LinearGradientBrush>'
                + '    </Path.Fill>'
                + '</Path>'