Rank	Countries/Territories	Count	Percent
1	China	371	37%
2	United States	277	27.6%
3	Germany	58	5.8%
4	Korea, Republic of	42	4.2%
5	Iran, Islamic Republic of	27	2.7%
6	Russia	17	1.7%
7	Brazil	16	1.6%
8	France	15	1.5%
9	Egypt	13	1.3%
10	India	12	1.2%
11	Switzerland	12	1.2%
12	Singapore	11	1.1%
13	Spain	10	1%
14	Australia	8	0.8%
15	Ireland	8	0.8%
16	Netherlands	8	0.8%
17	Japan	7	0.7%
18	United Kingdom	7	0.7%
19	Viet Nam	6	0.6%
20	Saudi Arabia	6	0.6%
21	Philippines	6	0.6%
22	Cyprus	5	0.5%
23	Tajikistan	5	0.5%
24	Thailand	5	0.5%
25	Peru	5	0.5%
26	Pakistan	4	0.4%
27	Algeria	4	0.4%
28	Poland	4	0.4%
29	Italy	4	0.4%
30	Hong Kong	3	0.3%
31	Bulgaria	3	0.3%
32	Ukraine	3	0.3%
33	Palestine, State of	2	0.2%
34	Czech Republic	2	0.2%
35	Denmark	2	0.2%
36	Israel	2	0.2%
37	Qatar	2	0.2%
38	Romania	2	0.2%
39	Morocco	2	0.2%
40	Nicaragua	1	0.1%
41	Iraq	1	0.1%
42	Mexico	1	0.1%
43	Cambodia	1	0.1%
44	Canada	1	0.1%
45	Indonesia	1	0.1%
46	Austria	1	0.1%