1. September 9, 1969 |
2. August 3-4, 1970 |
3. April 11-12, 1972 |
4. September 18-19, 1972 |
5. July 24-25, 1973 |
6. July 26, 1973 |
7. October 15-16, 1974 |
8. April 16, 1975 |
9. October 21, 1975 |
10. April 5, 1976 |
11. October 28-29, 1976 |
12. March 14, 1977 |
13. April 13-14, 1978 |
14. May, 3,5,8,10,12,15,1978 |
15. June 6-8, 1979 |
16. October 18, 19, 25, 26, Nov 6, 1979 |
17. April 20, May 1, 1980 |
18. May 21, 1980 |
19. March 25, 1981 |
20. June 28-29, 1982 |
21. July 11, August 11, 1982 |
22. October 26-28, 1982 |
23. May 2-4, 1983 |
24. September 21-22, 1983 |
25. June 25-27, 1984 |
26. August 15-16, 1984 |
27. July 8-9, 1985 |
28. November 18-20, 1985 |
29. August 6-8, 1986 |
30. June 4-5, 1987 |
31. August 26-28, 1987 |
32. April 26-27, 1988 |
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33. September 26-27, 1988 |
34. May 30- June 1, 1989 |
35. July 10-12, 1989 |
36. September 12-13, 1990 |
37. September 9-10, 1991 |
38. June 30- July 1, 1992 |
39. July 29-31, 1992 |
40. August 31- September 2, 1992 |
41. January 14-15, 1993 |
42. May 4-7, 1993 |
43. May 31- June 3, 1994 |
44. July 25-26, 1994 |
45. April 24- May 5, 1995 |
46. November 18-27, 1996 |
47. February 4-20, 1998 |
48. October 19-23, 1998 |
49. November 15-23, 1999 |
50. October 10 - 26, 2000 |
51. December 11-14, 2001 |
52. September 4-13, 2002 |
53. May 11-20, 2004 |
54. May 9-18, 2006 |
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