SP154 June 1, 1992
SP142 May 1, 1992
SP147 May 1, 1992
SP151 May 1, 1992
SP148 May 1, 1992
SP145 May 1, 1992
SP101 April 1, 1992
SP149 April 1, 1992
SP144 April 1, 1992
SP141 April 1, 1992
SP2000 March 1, 1992
SP143 March 1, 1992
SP129 February 1, 1992
SP140 February 1, 1992
SP138 January 1, 1992
SP131 January 1, 1992
SP137 January 1, 1992
SP69 January 1, 1992
SP133 January 1, 1992
SP139 January 1, 1992
SP125 December 1, 1991
SP136 December 1, 1991
SP135 November 1, 1991
SP96 November 1, 1991
SP126 November 1, 1991
SP127 November 1, 1991
SP122 November 1, 1991
SP118 October 1, 1991
SP113 October 1, 1991
SP123 October 1, 1991
SP134 October 1, 1991
SP106 September 1, 1991
SP124 September 1, 1991
SP119 September 1, 1991
SP116 September 1, 1991
SP112 September 1, 1991
