| 1970-093A | IMEWS-1 |
| 1971-039A | IMEWS-2 |
| 1972-010A | IMEWS-3 |
| 1973-040A | IMEWS-4 |
| 1975-118A | IMEWS-5 |
| 1976-059A | IMEWS-6 |
| 1977-007A | IMEWS-7 |
| 1979-053A | IMEWS-8 |
| 1981-025A | IMEWS-9 |
| 1982-019A | IMEWS-10 |
| 1984-037A | IMEWS-11 |
| 1984-129A | IMEWS-12 |
| 1987-097A | IMEWS-13 |
| 1989-046A | IMEWS-14 |
| 1990-095A | IMEWS-15 |
| 1991-080B | IMEWS-16 |
| 1994-084A | IMEWS-17 |
| 1997-008A | IMEWS-18 |
| 1999-017A | IMEWS-19 |
| 2000-024A | IMEWS-20 |
| 2001-033A | IMEWS-21 |
| 2004-004A | IMEWS-22 |
| 2007-054A | IMEWS-23 |