According to a federal survey of jail inmates, in 2002, of the 96,359 violent offenders in jail, 37.6% used alcohol at the time of their offense, 21.8% used drugs, and 47.2% used alcohol or drugs; of the 112,895 property offenders in jail that year, 28.5% used alcohol at the time of their offense, 32.5% used drugs, and 46.8% used alcohol or drugs; of the 112,447 drug offenders in jail that year, 22.4% used alcohol at the time of their offense, 43.2% used drugs, and 51.7% used drugs or alcohol at the time of their offense.