Did you drink coffee during pregnancy and ended with an under 5 centile baby?

I need to know if that's why my baby was born small. I am pregnant a second time and they are monitoring me closely. With my first I drank 1-2 cups of coffee a day and he was born 2.860 kg/ 6.305 lbs. Is it because of the coffee, or is it something else? I decreased my caffeine intake seriously in this pregnancy just in case.

Edit: First thanks for all of your comments, it's really reassuring tbh, to not have to worry religiously and going mad at calculations on how much caffeine I had and if I could afford a piece of chocolate too without having to worry about the size of the baby. SO thank you!

Second, why am I getting downvoted? There are studies that I have based this assumption on. I am aware that there could be other factors, such genetics, etc., but my husband is half Dutch and I am a taller than average woman. So It was a bit strange. On top of all of this, now the OB and midwife are monitoring me closely with weekly ultrasounds. me asking about coffee should not get this downvoted. How has this offended you?