How many people riding a bike are killed by falling trees each year?

Giod only knows, but it goes beyond injury. Christmas Trees- which are a mass of DEAD organic matter, are a huge and often uncontrollable fire hazard- every year there are Fatal fires involving the foolish old Tannenbaum. Fire officials are not even in agreement as how to best forestall the forested Fire hazards- the idea of having the tree in a sort of attenuated water barrel or bucket was long touted. If it catches fire, the thing escalates into an uncontrollable mass, may fall over, issue tons of smoke and block fire exits- like stairways. Really, do we need this humungous fire hazard?