log using dif,text replace
*by Jean Roth, jroth@nber.org, 2003-02-04

set mem 1500m
use /home/data/morg/annual/morg79
display "1979"
sum sexdif if msex<.
sum racedif if mrace<.
sum nragedif if mage<.
clear 
forval num = 80/99 { 
display "19`num'" 
use /home/data/morg/annual/morg`num' 
sum sexdif if msex<.
sum racedif if mrace<.
sum nragedif if mage<.
clear 
} 
forval num = 0/2 {
display "200`num'" 
use /home/data/morg/annual/morg0`num' 
sum sexdif if msex<.
sum racedif if mrace<.
sum nragedif if mage<.
clear 
}

exit