Table 4.

China's node degrees, imports and exports, and rankings in the medical device trade.

Category	Measure	2001	2003	2005	2008	2010	2013	2015	2018	2020
Imports and exports	Exports	15.82	25.68	49.91	110.10	134.03	202.87	235.18	318.64	418.80
	Rank by exports	16	14	11	10	8	6	4	4	4
	Imports	14.29	21.72	28.38	45.52	64.20	103.70	114.68	163.14	161.33
	Rank by imports	10	8	10	9	6	5	4	4	4
Node degree	Out-degree	64	71	77	78	77	78	78	78	79
	Rank by out-degree	12	9	7	4	7	5	4	4	2
	In-degree	33	34	35	41	40	42	45	50	51
	Rank by in-degree	15	22	22	14	16	16	11	7	7