Australia | 1995/96 | 0.004 | 7.7 | | | |
Adelaide26 | Jan 1990–July 1993 | | | 73 | | |
Latrobe Valley (rural Victoria)11 | 1994/95 | | | 151 | 263 | |
Canada* | 1994–96 | | 2.6 | | | |
| 1987–97 | 0.007 | | | | |
Guelph34 | 1986–87 | | | | | 160 (reported to health unit for review and police complaints reports) |
England25 |
Salisbury: high SES | | | | 150 | | |
Thanet: low SES | | | | 300 | | |
Netherlands35 | 1992–96 | | | 78 | | |
New Zealand24 | 1988 | | 4.8 | | | |
Dunedin | 1989–90 | | | 175 | | |
Hamilton | 1988 | | | 173 | | |
Lower Hutt | 1990 | | | 85 | | |
United States6, 7, 30 | 1992–94 | | | 129 | | 1800 (national telephone survey) |
| 1995–96 | 0.05–0.07 | | | | |
| 1994 | | | | 300 | |
Pittsburgh36 | 1993 | | | | | 589 (animal control and police reports) |