Answer based on context:

Admission to Michigan Law is highly selective. For the class entering in the fall of 2012, 1,238 out of 5,062 applicants (24.5%) were offered admission, with 344 matriculating. The 25th and 75th LSAT percentiles for the 2012 entering class were 166 and 170, respectively, with a median of 169 (top 3.3 percent of test takers). The 25th and 75th undergraduate GPA percentiles were 3.57 and 3.83, respectively, with a median of 3.73. Approximately 92.5 percent of the graduating class of 2010 was employed by nine months after graduation. Approximately 40% of the class of 2014 secured positions in one of the nations 250 largest firms. The majority of Michigan Law grads work in New York, Illinois, California, Washington, D.C., and Michigan.

How many states do majority of the Michigan Law grads work?
6