Its a little more complex than that.
You need to know when the software was sold relative to the purchase date of the console.
What you would expect is more software nearer the original purchase of the console pattering out later in life
This sounds a bit like what I was doing in the thread I linked to.
NNID: theRepublic -- Steam ID: theRepublic
3DS - Currently Gaming Like It's 2011 - The Legend of Zelda: Ocarina of Time 3D - Master Quest
PC - Currently Gaming Like It's 2012 - Borderlands 2
Mobile - The Simpson's Tapped Out and Yugioh Duel Links