Rank	Countries/Territories	Count	Percent
1	China	613	35%
2	United States	544	31.1%
3	Germany	110	6.3%
4	Iran, Islamic Republic of	84	4.8%
5	Canada	52	3%
6	Japan	48	2.7%
7	France	43	2.5%
8	United Kingdom	35	2%
9	Korea, Republic of	26	1.5%
10	Russia	24	1.4%
11	Italy	15	0.9%
12	Netherlands	15	0.9%
13	Singapore	13	0.7%
14	Hong Kong	13	0.7%
15	Australia	11	0.6%
16	India	10	0.6%
17	Argentina	9	0.5%
18	Spain	9	0.5%
19	Ukraine	8	0.5%
20	Hungary	7	0.4%
21	Cyprus	6	0.3%
22	Switzerland	6	0.3%
23	Taiwan	5	0.3%
24	Norway	5	0.3%
25	Belgium	5	0.3%
26	Denmark	4	0.2%
27	Ireland	4	0.2%
28	Mexico	3	0.2%
29	Romania	3	0.2%
30	Colombia	3	0.2%
31	Greece	3	0.2%
32	Indonesia	2	0.1%
33	Brazil	2	0.1%
34	Chile	2	0.1%
35	Portugal	2	0.1%
36	Turkey	2	0.1%
37	Malaysia	1	0.1%
38	Pakistan	1	0.1%
39	Poland	1	0.1%
40	Finland	1	0.1%
41	Venezuela, Bolivarian Republic of	1	0.1%