A combined line and bar chart. In 1993, the median net interest margin for the Chicago metropolitan statistical area was 4.36%; for other large metropolitan statistical areas, it was 4.66%.In 1994, the median net interest margin for the Chicago metropolitan statistical area was 4.34%; for other large metropolitan statistical areas, it was 4.76%.In 1995, the median net interest margin for the Chicago metropolitan statistical area was 4.26%; for other large metropolitan statistical areas, it was 4.73%.In 1996, the median net interest margin for the Chicago metropolitan statistical area was 4.15%; for other large metropolitan statistical areas, it was 4.62%.In 1997, the median net interest margin for the Chicago metropolitan statistical area was 4.12%; for other large metropolitan statistical areas, it was 4.61%.In 1998, the median net interest margin for the Chicago metropolitan statistical area was 3.87%; for other large metropolitan statistical areas, it was 4.44%.In 1999, the median net interest margin for the Chicago metropolitan statistical area was 3.88%; for other large metropolitan statistical areas, it was 4.36%.In 2000, the median net interest margin for the Chicago metropolitan statistical area was 3.85%; for other large metropolitan statistical areas, it was 4.45%.In 2001, the median net interest margin for the Chicago metropolitan statistical area was 3.81%; for other large metropolitan statistical areas, it was 4.17%.In 2002, the median net interest margin for the Chicago metropolitan statistical area was 3.93%; for other large metropolitan statistical areas, it was 4.20%.In 2003, the median net interest margin for the Chicago metropolitan statistical area was 3.80%; for other large metropolitan statistical areas, it was 3.98%.