Source: Drug Abuse Warning Network (2003 Update)
| DAWN Heroin Mentions: Distribution by Gender (Percents) | |||
|---|---|---|---|
| Year | Male | Female | Unknown |
| 1995 | 69.7 | 29.0 | 1.3 |
| 1996 | 67.8 | 31.4 | 0.8 |
| 1997 | 66.9 | 32.2 | 0.9 |
| 1998 | 68.0 | 31.2 | 0.8 |
| 1999 | 67.6 | 31.7 | 0.7 |
| 2000 | 66.2 | 31.8 | ... |
| 2001 | 66.7 | 32.3 | 1.0 |
| 2002 | 65.7 | 33.3 | 0.9 |