Where humans and alcohol are, UFOs will be.
No.
Somewhere we do not know
two
Many people claim to have seen UFOs.
Yes.... People have seen UFOs.
UFOs are spotted all over the world. Less developed areas of the world with less light pollution.
The desert of New Mexico seems to be a hot spot for them.
Not a single. Not proved presence of UFO
UFOs are very often seen on Earth, and nobody knows what is inside of one. If there are truly UFOs from space, when they supposedly come to Earth they may already be learning from us.
Hundreds of UFOs are reported every year on every continent of the world.
I could find no accurate records for times of sightings.