Did you use the online version of TurboTax last year? Just sign in to TurboTax for tax year 2016 and have a look at your detailed summary.
Sign in to TurboTax for tax year 2016 here: https://ww1.2016.turbotaxonline.intuit.ca/?_swlg=en
If you used TurboTax CD/download last year, we don't have a copy of your return. Your tax file was saved locally to your computer.