Table:
change in aggregate self-employment rate
change in within-age-group self-employment rate
change in age- group composition

number

1989 to 1998
0.025
0.019
0.005

1998 to 2010
-0.006
-0.020
0.014

Statement: there is a 1.9-percentage-point increase, due to the within-age-group component from 1989 to 1998.
Question: what's the percent of the within-age-group component from 1989 to 1998?
Answer: [0.019]