The latest wide development arrives by way of ideal once i assist lateral place echo the fresh advancement of the values, as in Shape dos. That dotted diagonal ‘s the “decades parity” line, where in actuality the female and male many years could be equivalent. It is not an effective canonical mathematics question, simply one thing We overlaid due to the fact helpful information to suit your eye. (Almost always there is an intrinsic geometry so you can the right position – it was the initial research to own a reason and we’ll simply take advantage whenever we can.)