| 2001 | 4.1 | 400 pages? duration |
| 2008 | 4.57 | 564 pages? duration |
| 2015 | 4.15 | 386 pages? duration |
| 2011 | 4.07 | 351 pages? duration |
| 2005 | 4.03 | 656 pages? duration |
| 2012 | 4.71 | 1,328 pages? duration |
| 2009 | 4.17 | 688 pages? duration |
| 2010 | 4.61 | 1,007 pages? duration |
| 2001 | 4.14 | 332 pages? duration |
| 2020 | 4.56 | 1,232 pages? duration |
| 2012 | 4.37 | 175 pages? duration |
| 2018 | 4.41 | 530 pages? duration |
| 2021 | 3.97 | 415 pages? duration |
| 2020 | 4.23 | 171 pages? duration |
| 2019 | 4.25 | 461 pages? duration |
| 2017 | 4.55 | 1,243 pages? duration |