| 1986 | 578 reads | 4.11 | 382 pages? duration |
| 1991 | 343 reads | 3.62 | 444 pages? duration |
| 1996 | 240 reads | 3.61 | 284 pages? duration |
| 2009 | 1 read | 0 | 220 pages? duration |
| 2002 | 2 reads | 5 | ? pages? duration |
| 1997 | 302 reads | 4.28 | 368 pages? duration |
| 2009 | 13 reads | 4.13 | 273 pages? duration |
| 5 reads | 4 | ? pages? duration |