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Trend in credits earned, by core subject and race/ethnicity: Various years, 1990-2005
 
 
|  | Credits earned by graduates 
 |  
| Race/ethnicity | 1990 | 1994 | 1998 | 2000 | 2005 |  
| 
 |  
| Mathematics |  
| 
 |  
| White | 3.2 | * | (0.03) | 3.4 | * | (0.03) | 3.5 | * | (0.03) | 3.6 | * | (0.03) | 3.8 |  | (0.02) |  
| Black | 3.3 | * | (0.07) | 3.3 | *,** | (0.04) | 3.5 | * | (0.05) | 3.6 | * | (0.05) | 3.9 |  | (0.04) |  
| Hispanic | 3.3 | * | (0.07) | 3.4 | * | (0.04) | 3.4 | * | (0.06) | 3.5 |  | (0.08) | 3.7 | ** | (0.03) |  
| Asian/Pacific Islander
 | 3.7
 | *,**
 | (0.05)
 | 3.8
 | *,**
 | (0.08)
 | 3.7
 | *,**
 | (0.03)
 | 4.0
 | **
 | (0.11)
 | 4.1
 | **
 | (0.04)
 |  
| 
 |  
| Science |  
| 
 |  
| White | 2.8 | * | (0.03) | 3.1 | * | (0.03) | 3.2 | * | (0.03) | 3.2 | * | (0.04) | 3.5 |  | (0.02) |  
| Black | 2.7 | *,** | (0.06) | 2.8 | *,** | (0.04) | 3.0 | *,** | (0.06) | 3.1 | ** | (0.06) | 3.2 | ** | (0.04) |  
| Hispanic | 2.5 | *,** | (0.04) | 2.7 | *,** | (0.04) | 2.8 | ** | (0.07) | 2.9 | ** | (0.12) | 3.0 | ** | (0.04) |  
| Asian/Pacific Islander
 | 3.0
 | *
 | (0.11)
 | 3.3
 | *
 | (0.12)
 | 3.5
 | *,**
 | (0.06)
 | 3.7
 | **
 | (0.16)
 | 3.7
 | **
 | (0.05)
 |  
| 
 |  
| English |  
| 
 |  
| White | 4.1 | * | (0.03) | 4.2 |  | (0.04) | 4.2 | * | (0.05) | 4.2 |  | (0.04) | 4.3 |  | (0.03) |  
| Black | 4.3 | *,** | (0.04) | 4.3 | *,** | (0.03) | 4.2 | * | (0.05) | 4.4 |  | (0.08) | 4.5 | ** | (0.03) |  
| Hispanic | 4.1 | * | (0.04) | 4.2 |  | (0.09) | 4.1 | * | (0.04) | 4.3 |  | (0.14) | 4.3 |  | (0.03) |  
| Asian/Pacific Islander
 | 4.0
 | *
 | (0.08)
 | 4.1
 | *,**
 | (0.06)
 | 4.0
 | *,**
 | (0.04)
 | 4.1
 | *,**
 | (0.06)
 | 4.3
 | 
 | (0.04)
 |  
| 
 |  
| Social studies |  
| 
 |  
| White | 3.5 | * | (0.05) | 3.6 | * | (0.05) | 3.8 | * | (0.05) | 3.9 | * | (0.04) | 4.1 |  | (0.03) |  
| Black | 3.5 | * | (0.05) | 3.5 | * | (0.04) | 3.7 | * | (0.05) | 3.8 | * | (0.07) | 4.1 |  | (0.06) |  
| Hispanic | 3.5 | * | (0.08) | 3.5 | * | (0.04) | 3.6 | *,** | (0.06) | 3.8 |  | (0.08) | 3.9 | ** | (0.05) |  
| Asian/Pacific Islander
 | 3.7
 | *
 | (0.13)
 | 3.7
 | *
 | (0.09)
 | 4.0
 | 
 | (0.09)
 | 3.8
 | *,**
 | (0.06)
 | 4.1
 | 
 | (0.05)
 |  
| 
 |  |  |  |