private void addNumbersToHistogram(Graphics2D g) {
		g.setColor(Color.black);
		g.draw(zeroPercent);
		// g.drawString(" " + gmin, nLim, gminVert);
		// g.drawString(" " + gmax, xLim, gmaxVert);
		g.drawString(" " + emin, 15, frameH - 30);
		g.drawString(" " + emax, frameW - 100, frameH - 30);
		if (false)
			for (Entry<Point2D.Float, Integer> entr : displaySizes.entrySet()) {
				g.drawString("" + entr.getValue(), entr.getKey().x,
						entr.getKey().y);
			}

		for (Entry<Point2D.Float, Point> entr : displaySetChanges.entrySet()) {
			g.setColor(Color.green);
			g.drawString("+" + entr.getValue().x, entr.getKey().x,
					entr.getKey().y - 18);
			g.setColor(Color.red);
			g.drawString("-" + entr.getValue().y, entr.getKey().x,
					entr.getKey().y);
		}
	}