Conversation so far:
when did netball start in the commonwealth games
Netball was introduced into the Commonwealth Games in 1998 and has been an integral part of the programme since.
How did Netball come about
Netball is traced to the early development of basketball. A year after basketball was invented in 1891, and modified for women to accommodate social conventions regarding their participation in sport
Did the netball  game extend globally
By 1960, the rules of netball were standardised internationally. An international governing body was formed to oversee the sport globally, now called the International Netball Federation.

Question: How many countries play the sport
Self-contained rewrite: How many countries play the game of netball