Very normal. It was insane how much I as peeing with my girls at that point! It really did limit my mobility and keep me somewhat housebound. When I was TTC this one, I remember thinking realistically that one more kid might put me in depends and it was just a chance I was going to have to take.
Surprisingly, this kid just HAS to be different and it's nowhere near as bad as it was with his/her siblings (even though statistically, as an older Mom, it should be worse and at 15 weeks I'm hardly out of the woods yet) so there is hope that your next pregnancy will go easier on you with this particular symptom.
My only coping technique is to ALWAYS go when you have the opportunity, whether you need to or not, and to limit liquids an hour or so before you have to leave the house. Also, don't let the teasing get to you. Those people are ignorant and have no idea how painful it can be or that it is just a normal part of pregnancy.
"Oh come on! You don't REALLY have to pee AGAIN!"
"Oh come on! You aren't REALLY that ignorant about what happens to women's bodies during pregnancy! Stop trying to get attention by saying stupid things! It's REALLY starting to get on EVERYBODY'S nerves!"