Zeppelinn1630

Some of the answers are trying to make your simple problem more complicated. Do you fullfil the residency requirement? Did you take more than 50 trips in the last 5 years? You make it sound like you are travelling in and out every month, which could be a different issue. Did you visit in banned country, or any country with muddy US relation? No? Then again, its simple. Check your passports for stamps, and please don't tell us you throw away your old passport, that is your only bet. Also feel free to use rough estimate if the stamp is not clear. Check your Credit Card Statement for airline purchases, or whatever website you purchase your tickets from DHS knows your travel history, and they know you can't access I-94 after getting GC, so there ain't much you can do that using the passport stamps, and approximate data range for your trips. In the very end of your application, note that since you can't get access to your I-94, you are approximating dates. If you think there is a trip missing, and you can't remember the exact date, note that in the end of the application. Just be honest, and everything will be fine.