renderInline() {
		const { yLabel, yValue, labelFill, valueFill, fontSize, fontFamily } = this.props;

		return (
			<tspan onClick={this.handleClick} fontFamily={fontFamily} fontSize={fontSize}>
				<ToolTipTSpanLabel fill={labelFill}>{yLabel}:&nbsp;</ToolTipTSpanLabel>
				<tspan fill={valueFill}>{yValue}&nbsp;&nbsp;</tspan>
			</tspan>
		);
	}
Renders the value next to the label.
The parent component must have a "text"-element.