You are taliking about your SGPT levels and not SGOT
The most common causes for such slightly high SGPT are use of alcohol, obesity,high cholesterol
or triglycerides levels or use of certain medications.
There is nothing to worry about these slightly high SGPT levels and sometimes it can be there even without the presence of any known cause.
Take care of your weight ,reduce your alcohol intake and reduce intake of junk foods,colas ,sweets etc.
Your aim should be not to let the levels of SGPT increase in future.