I wonder if this kind of thing is starting up more simply due to the rise in the age of first marriages? http://www.infoplease.com/ipa/A0005061.html http://www

I wonder if this kind of thing is starting up more simply due to the rise in the age of first marriages? http://www.infoplease.com/ipa/A0005061.html http://www.infoplease.com/ipa/A0005061.html