According to NAF, since 1977 in the United States and Canada, property crimes committed against abortion providers have included 41 bombings, 173 arsons, 91 attempted bombings or arsons, 619 bomb threats, 1630 incidents of trespassing, 1264 incidents of vandalism, and 100 attacks with butyric acid ("stink bombs"). "The New York Times" also cites over one hundred clinic bombings and incidents of arson, over three hundred invasions, and over four hundred incidents of vandalism between 1978 and 1993. The first clinic arson occurred in Oregon in March 1976 and the first bombing occurred in February 1978 in Ohio. Incidents have included: