19 years.
He won it on his 20th attempt, in 1998, so that was 19 years after his first attempt in 1979.
leap years 1998-2011
56 years
31 years
33 years
2009 - 1998 = 11 years past
2012 - 1998 = 14. It has been 14 years since 1998.
The difference between 1979 and 2011 is 32 years. To calculate this, you simply subtract 1979 from 2011, resulting in 32.
The number of years from 1998 to 2016 is 18 years. You can calculate this by subtracting 1998 from 2016, which equals 18.
It has been 33 years
2018-1998 = 20 years
33 years