| 1969 | 69 reads | 3.96 | 350 pages? duration |
| 1990 | 970 reads | 4.01 | 708 pages? duration |
| 2010 | 1,340 reads | 4.61 | 1,007 pages? duration |
| 1995 | 509 reads | 4.11 | 400 pages? duration |
| 1949 | 3,240 reads | 4.2 | 352 pages? duration |
| 1937 | 2,720 reads | 4.29 | ? pages? duration |
| 1985 | 1,583 reads | 4.26 | 256 pages? duration |
| 1965 | 811 reads | 3.77 | 352 pages? duration |