| 
 YEAR  | 
 % Full-Time  | 
 % Part-Time  | 
 % Total  | 
| 
 1980  | 
 4.6  | 
 2.3  | 
 3.9  | 
| 
 1981  | 
 6.7  | 
 .7  | 
 5.4  | 
| 
 1982  | 
 7.4  | 
 2.6  | 
 6.5  | 
| 
 1983  | 
 6.4  | 
 6.5  | 
 6.4  | 
| 
 1984  | 
 5.0  | 
 4.3  | 
 4.9  | 
| 
 1985  | 
 5.0  | 
 5.3  | 
 5.0  | 
| 
 1986  | 
 5.3  | 
 5.2  | 
 5.3  | 
| 
 1987  | 
 5.2  | 
 5.4  | 
 5.2  | 
| 
 1988  | 
 5.3  | 
 3.8  | 
 4.9  | 
| 
 1989  | 
 5.5  | 
 5.7  | 
 5.5  | 
| 
 1990  | 
 6.0  | 
 6.5  | 
 6.1  |