out = years (x) ¶Create a duration x years long, or get the years in a duration
x.
If input is numeric, returns a duration array in units of fixed-length
years of 365.2425 days each.
If input is a duration, converts the duration to a number of fixed-length
years as double.
Note: years creates fixed-length years, which may not be what you want.
To create a duration of calendar years (which account for actual leap days),
use calyears.
See calyears.