Right now, there is currently a global challenge happening, and users can choose where in the world they’d like to review by changing their home and bonus locations. More info about it can be found here:
It’s possible that others haven’t changed their location to where you are, and if it’s a more rural area with few reviewers, I can see this as being the case. Most of us have been going to larger cities, as the queues there have been larger.
If you’d like, you can post where you are located in the thread below, and who knows, maybe some people will review what you and your friends have submitted: