Table 2.
Period | A | AU | C | TC | J | R | I | TC/A | AU/A | R/A |
---|---|---|---|---|---|---|---|---|---|---|
2004–2006 | 135 | 289 | 43 | 3011 | 127 | 3457 | 215 | 22.30 | 2.14 | 25.61 |
2007–2009 | 273 | 720 | 91 | 4801 | 224 | 7792 | 443 | 17.59 | 2.64 | 28.54 |
2010–2012 | 367 | 958 | 103 | 4972 | 312 | 11,878 | 658 | 13.55 | 2.61 | 32.37 |
2013–2015 | 509 | 1574 | 141 | 3705 | 430 | 17,867 | 1003 | 7.28 | 3.09 | 35.10 |
2016–2018 | 698 | 1986 | 179 | 1257 | 535 | 24,899 | 1296 | 1.80 | 2.85 | 35.67 |
A: total number of articles; AU: total number of authors; C: total number of countries; TC: total number of citations; J: total number of journals; R: total number of references; I: total number of institutions; TC/A: total number of citations by year; AU/A: total number of authors by year; R/A: total number of references by year.