Not sure exactly what you want, but I make a little change to what @Jeff_Perkinson provided.
First, I did a Summary like this:
And I got a summary table. Then I modified column type of "Start time" to "Continuous":
Then I Graph Build N Rows vs Start time Overlaid by Same Individual, and I got this:
Compare to what produced by the script in Jeff's data table:
The profiles of the two graphs should be similar. You may further edit, e.g. colors, etc.