Table 1. Descriptive statistics of SCIMAGOJR indicators (1996–18 August 2019).

	DOC	CITA	CIT	SELF	CPD	HINDEX
Valid	239	239	239	239	239	239
Missing	0	0	0	0	0	0
Mean	226870.448	208895.238	4.041e +6	1.209e +6	14.289	191.904
Std. Error of Mean	62573.389	56718.779	1.372e +6	584905.378	0.451	17.893
Std. Deviation	967361.125	876851.047	2.122e +7	9.042e +6	6.967	276.624
Variance	9.358e +11	7.689e +11	4.501e +14	8.177e +13	48.541	76521.054
Shapiro-Wilk	0.231	0.237	0.172	0.106	0.905	0.637
p of Shapiro- Wilk	< .001	< .001	< .001	< .001	< .001	< .001
Minimum	2.000	1.000	9.000	0.000	2.000	1.000
Maximum	1.207e +7	1.070e +7	2.977e +8	1.344e +8	52.300	2222.000

DOC = Total documents; CITA = Total citable documents; CIT = Total citations; SELF = Total self-citations; CPD = Citations per document; HINDEX = H-index. The operational definition of DOC, CITA, CIT, SELF, CPD, and HINDEX could be found at https://www.scimagojr.com/help.php