There have been 7 RWC tournaments held every four years since 1987.
how many years has it been since 1997
How many years have there been since 1776?
It has been 525 years since 1492.
it has been 52 years since 1958
It has been 53 years since 1969.
It has been 15 years
It has been 33 years
2012 - 1998 = 14. It has been 14 years since 1998.
It has been 55 years since 1966.
It's been 3 years since I was created.
52 years