Date	X-Ray Class
1. November 4, 2003	X28+
2. April 2, 2001	X20.0
2. August 16, 1989	X20.0
4. October 28, 2003	X17.2
5. September 7, 2005	X17
6. March 6, 1989	X15.0
6. July 11, 1978	X15.0
8. April 15, 2001	X14.4
9. April 24, 1984	X13.0
9. October 19, 1989	X13.0