it is 36 years between 1968 and 2004
2004 - 1968 = 36 years
There are 36 years between 1968 and 2004.
2004 - 1968 = 4 years
36 years
13
There are 35 in between - not counting the end years.
2004 - 1968 = 36 years
Including both 1968 and 2016, it would be 49 years.
3966
21 years
93 years