You will be given a definition of a task first, then some input of the task.
This task is about reading the given passage and construct a question about the information present in the passage. Construct a question in such a way that (i) it is unambiguous, (ii) it is answerable from the passage, (iii) its answer is unique (iv) its answer is a continuous text span from the paragraph. Avoid creating questions that (i) can be answered correctly without actually understanding the paragraph and (ii) uses same words or phrases given in the passage.

The number of shootings in the city has declined significantly in the last 10 years. Shooting incidents peaked in 2006 when 1,857 shootings were recorded. That number has dropped 44 percent to 1,047 shootings in 2014. Similarly, major crimes in the city has decreased gradually in the last ten years since its peak in 2006 when 85,498 major crimes were reported. In the past three years, the number of reported major crimes fell 11 percent to a total of 68,815. Violent crimes, which include homicide, rape, aggravated assault, and robbery, decreased 14 percent in the past three years with a reported 15,771 occurrences in 2014. Based on the rate of violent crimes per 1,000 residents in American cities with 25,000 people or more, Philadelphia was ranked as the 54th most dangerous city in 2015.
Output:
When did shootings peak in the city?