May 11 85
                                       October 5 85
                                        November 2 85
                                           Jan 4 86
                                            March 1 86
                                             May 86
                                          November 29 86
                                           January 3 86
                                           March 87
                                             May 2 87
                                            October 87
                                          November 87
                                            January 2 88
                                            February 88
                                            March 88
                                           April 30 88
                                           October 88
                                          November 88
                                          January 17 89
                                           February 23 89
                                          March 11 1989
                                          May 27 1989
                                            July 1989
                                         November 1989
                                        November 25 1989
                                          January 1990
                                         February 23 1990
                                           April  28 1990
                                           July 28 1990
                                          October 1990
                                         November 1990
                                          January 1991
                                            April 1991
                                          February 8 1992
                                         November 14 1992