Figure 6. Year of sexual assault among sexual violence survivors presenting to Panzi Hospital. Approximately 1% of the reported sexual assaults occurred between 1994 and 1999 and are not shown graphically. Analysis of the sexual assaults by type and year revealed that the proportion of reported rapes NOS has increased in recent years while the proportion of gang rapes appears to have decreased (Figure 7). Figure 7. Proportion of sexual assaults by type of assault and by year. 18