Currently your glucose levels are being controlled by Metformin (glucophage) and appear to be very good. As far as nutrition advice, go here and click on Nutrition http://www.diabetes.org/home.jsp and here for more suggestions http://tinyurl.com/4doknb. Charts? Make your own once you understand what to eat and what NOT to eat.
And by eating well-balanced meals in the correct amounts, along with moderate exercise (like walking) and weight control, you can keep your blood glucose level as close to normal (non-diabetes level) as possible.