- 2020: Kumulativer Impact Factor: 39,94 (Zahlen 2019)
- 2019: Kumulativer Impact Factor: 98,45
- 2018: Kumulativer Impact Factor: 79,39
- 2017: Kumulativer Impact Factor: 114,83
- 2016: Kumulativer Impact Factor: 153,24
- 2015: Kumulativer Impact Factor: 100,29
- 2014: Kumulativer Impact Factor: 58,83
- 2013: Kumulativer Impact Factor: 69,44
- 2012: Kumulativer Impact Factor: 59,01
- 2011: Kumulativer Impact Factor: 51,56
- 2010: Kumulativer Impact Factor: 45,97
- 2009: Kumulativer Impact Factor: 25,85
- 2008-1993: Kumulativer Impact Factor: 66,35