| 2011 | 3.97 | 1,056 pages? duration |
| 2013 | 4.27 | 93 pages? duration |
| 2016 | 4.17 | 409 pages? duration |
| 2007 | 3.66 | 362 pages? duration |
| 2013 | 4.31 | 455 pages? duration |
| 2016 | 4.25 | 160 pages? duration |
| 2015 | 4.15 | 386 pages? duration |
| 2013 | 3.92 | 373 pages? duration |
| 2005 | 4.03 | 656 pages? duration |
| 1969 | 4.06 | 267 pages? duration |
| 1976 | 3.44 | 256 pages? duration |
| 1974 | 4.19 | 400 pages? duration |
| 1981 | 3.75 | 191 pages? duration |