| Apr. 13, 1988 | 2207 |
| May 10, 1988 | 2151 |
| Jun. 4, 1988 | 2157 |
| Jul. 2, 1988 | 2215 |
| Jul. 30, 1988 | 2268 |
| Aug. 27, 1988 | 2297 |
| Sep. 25, 1988 | 2289 |
| Oct. 23, 1988 | 2246 |
| Nov. 20, 1988 | 2181 |
| Dec. 16, 1988 | 2135 |
| Jan. 10, 1989 | 2182 |
| Feb. 7, 1989 | 2249 |
| Mar. 8, 1989 | 2292 |
| Apr. 5, 1989 | 2296 |
| May 4, 1989 | 2263 |
| Jun. 1, 1989 | 2206 |
| Jun. 28, 1989 | 2152 |
| Jul. 23, 1989 | 2158 |
| Aug. 19, 1989 | 2216 |
| Sep. 16, 1989 | 2272 |
| Oct. 15, 1989 | 2302 |
| Nov. 12, 1989 | 2293 |
| Dec. 20, 1989 | 2244 |
| Jan. 7, 1990 | 2175 |
| Feb. 2, 1990 | 2138 |
| Feb. 28, 1990 | 2190 |
| Mar. 28, 1990 | 2253 |
| Apr. 25, 1990 | 2292 |
| May 21, 1990 | 2294 |
| Jun. 21, 1990 | 2261 |
| Jul. 19, 1990 | 2205 |
| Aug. 15, 1990 | 2151 |
| Sep. 9, 1990 | 2159 |
| Oct. 6, 1990 | 2220 |
| Nov. 3, 1990 | 2278 |
| Dec. 2, 1990 | 2305 |
| Dec. 30, 1990 | 2289 |
| Jan. 28, 1991 | 2236 |