Query: What percentage decrease in violent crime did the city see between 1993 and 2005?
Context: In 2012, New York City had the lowest overall crime rate and the second lowest murder rate among the largest U.S. cities, having become significantly safer after a spike in crime in the 1970s through 1990s. Violent crime in New York City decreased more than 75% from 1993 to 2005, and continued decreasing during periods when the nation as a whole saw increases. By 2002, New York City's crime rate was similar to that of Provo, Utah, and was ranked 197th in crime among the 216 U.S. cities with populations greater than 100,000.