1 September 1988 1
2 May 1989 6
3 October 1989 8
4 July 1991 12
5 September 1991 17
6 November 1991 21
7 January 1992 25
8 July 1992 31
9 September 1993 37
10 November 1993 41
11 February 1994 46
12 August 1994 51
13 March 1995 56
14 June 1995 61
15 January 1996 65
16 March 1996 69
17 May 1996 72
18 January 1997 75
19 March 1997 79
20 January 1998 81
21 May 1998 86
22 August 1998 89
23 March 1999 92
24 May 1999 96
25 December 1999 101
26 March 2000 105
27 June 2000 109
28 December 2000 113
29 March 2001 116
30 June 2001 121
31 September 2001 123
32 November 2001 126
33 April 2002 127
34 July 2002 131
35 October 2002 134
36 January 2003 137
37 March 2003 142
38 May 2003 145
39 June 2003 149
40 July 2003 151
41 August 2003 153
42 September 2003 155
43 October 2003 157
44 November 2003 159
45 December 2003 161
46 February 2004 163
47 April 2004 165
48 May 2004 169
49 June 2004 171
50 July 2004 173
51 September 2004 176
52 November 2004 177
53 December 2004 179
54 February 2005 180
55 January 2005 183
56 March 2005 184
57 April 2005 186
58 May 2005 188
59 June 2005 191
60 August 2005 195
61 September 2005 199
62 October 2005 202
63 November 2005 206
64 December 2005 208
65 January 2006 210
66 February 2006 212
67 March 2006 215
68 April 2006 217
69 May 2006 219
70 June 2006 221
71 July 2006 224
72 August 2006 226
73 September 2006 228
74 October 2006 231
75 November 2006 233
76 December 2006 236
77 January 2007 241
78 February 2007 243
79 March 2007 246
80 April 2007 248
81 July 2007 249
82 August 2007 251
83 September 2007 254
84 October 2007 256
85 November 2007 257
86 December 2007 259
87 January 2008 262
88 February 2008 264
89 April 2008 267
90 July 2008 271
91 September 2008 274
92 October 2008 276
93 November 2008 278
94 December 2008 281
95 January 2009 284
96 February 2009 286
97 April 2009 289
98 May 2009 291
99 June 2009 293
100 July 2009 294