158 of 359 known ZTBs moved in 47 states and 29 countries since the last update. There were 18353 sightings in the United Sates, and 5173 sightings elsewhere on the planet. Texas, Connecticut, Massachusetts, Connecticut and New York all had over 1000 sightings. Germany had over 2500 sightings, Belgium over 600 and the UKL over 300.
