Journal Metrics ( Journal Citation Report 2024/6/20 )
● Journal Impact Factor：2.6
● 5-Years Impact Factor：4.9
● Immediacy Index：0.7
● Impact Factor without Journal Self Cites：2.5
| Year | Paper Published | Impact Factor |
| 2023 | 49 | 2.6 |
| 2022 | 45 | 3.6 |
| 2021 | 52 | 6.157 |
| 2020 | 49 | 6.079 |
| 2019 | 91 | 4.727 |
| 2018 | 150 | 4.176 |
| 2017 | 106 | 2.852 |
| 2016 | 104 | 3.048 |
| 2015 | 99 | 1.980 |
| 2014 | 66 | 0.615 |
| 2013 | 85 | 0.395 |
| 2012 | 146 | 0.333 |
| 2011 | 63 | 0.643 |
| 2010 | 53 | 0.615 |
| 2009 | 59 | 0.63 |
| 2008 | 76 | 0.471 |
| 2007 | 62 | 0.568 |
| 2006 | 59 | 0.313 |
| 2005 | 59 | 0.574 |
| 2004 | 56 | 0.685 |
| 2003 | 52 | 0.597 |
| 2002 | 40 | 0.295 |
| 2001 | 37 | 0.378 |
| 2000 | 41 | 0.227 |
| 1999 | 33 | 0.386 |
| 1998 | 33 | 0.145 |