1800 • 1,103 Readers • 1,008 pages • 4.1

1965 • 1,553 Readers • 352 pages • 3.8

1975 • 1,017 Readers • 609 pages • 3.9

1981 • 712 Readers • 423 pages • 3.7

2006 • 3,241 Readers • 400 pages • 3.9

2008 • 1,140 Readers • 400 pages • 4.3

2010 • 942 Readers • 604 pages • 4.4

1989 • 1,889 Readers • 492 pages • 4.3

1990 • 621 Readers • 595 pages • 4.1