When you set up your STR business what market research did you carry out around supply and demand for your sort of listing in your location @Iris610
Have you checked supply and demand in your location recently?
Many hosts are operating in areas suffering from oversaturated markets coupled with falling demand because of the recession.
It doesn't matter what is happening to hosts in other locations. What's important for you to understand is the experience of other hosts with similar listings in your location. Have you asked on your local host group.
You can help increase demand by listing on other platforms and taking direct bookings.