Not sure what you wanted exactly, but you can compute this yourself with a simple spreadsheet or any number of retirement growth calculators out on the internet. Here is one on our TSP website:
https://www.tsp.gov/planningtools/retirementplanning/howMuchWillGrow.shtml
I used the TSP calculator and a spreadsheet I have to calculate these values after 20 years at 5% interest on $45,000 annual salary. My spreadsheet compounds monthly and I bet the TSP uses 26 pay periods a year.
[TABLE="width: 500"]
[TR]
[TD]Agengcy Contribution[/TD]
[TD]Your Contribution[/TD]
[TD]Spreadsheet Blance[/TD]
[TD]TSP Balance[/TD]
[/TR]
[TR]
[TD]1%[/TD]
[TD]0%[/TD]
[TD]$15,413.76[/TD]
[TD]???[/TD]
[/TR]
[TR]
[TD]5%[/TD]
[TD]5%[/TD]
[TD]$154,137.63[/TD]
[TD] $154,310[/TD]
[/TR]
[TR]
[TD]5%[/TD]
[TD]10%[/TD]
[TD]$231,206.44[/TD]
[TD]$231,465[/TD]
[/TR]
[/TABLE]
Note that the TSP website wouldn't let me enter 0%