Table 7.

The statistics of author and affiliation cooperation

Year	Total #pub.	#co-author pub.	Co-author rate%	#co-affiliation pub.	Co-affiliation rate%	#co-country pub.	Co-country rate%
2007	58	54	93.10	26	44.83	7	12.07
2008	73	64	87.67	32	43.84	8	10.96
2009	75	70	93.33	36	48.00	9	12.00
2010	94	85	90.43	44	46.81	6	6.38
2011	100	96	96.00	46	46.00	10	10.00
2012	129	121	93.80	63	48.84	13	10.08
2013	180	175	97.22	111	61.67	24	13.33
2014	171	161	94.15	111	64.91	22	12.87
2015	278	273	98.20	170	61.15	46	16.55
2016	228	219	96.05	146	64.04	36	15.79
Total	1386	1318	N/A	785	N/A	181	N/A