Rank	Countries/Territories	Count	Percent
1	United States	410	34.7%
2	China	393	33.2%
3	Germany	97	8.2%
4	Japan	41	3.5%
5	Italy	25	2.1%
6	Netherlands	24	2%
7	Australia	20	1.7%
8	United Kingdom	20	1.7%
9	Iran, Islamic Republic of	13	1.1%
10	France	11	0.9%
11	Singapore	11	0.9%
12	Canada	10	0.8%
13	Russia	10	0.8%
14	Taiwan	9	0.8%
15	Cyprus	9	0.8%
16	India	7	0.6%
17	Korea, Republic of	7	0.6%
18	Malaysia	6	0.5%
19	Hong Kong	6	0.5%
20	Brazil	5	0.4%
21	Pakistan	5	0.4%
22	Switzerland	5	0.4%
23	Ireland	4	0.3%
24	Cuba	3	0.3%
25	Nigeria	3	0.3%
26	Mexico	3	0.3%
27	Latvia	2	0.2%
28	Poland	2	0.2%
29	Spain	2	0.2%
30	Sweden	2	0.2%
31	Bulgaria	2	0.2%
32	Egypt	2	0.2%
33	Ukraine	2	0.2%
34	Viet Nam	2	0.2%
35	Greece	1	0.1%
36	Belgium	1	0.1%
37	Argentina	1	0.1%
38	Slovenia	1	0.1%
39	South Africa	1	0.1%
40	Norway	1	0.1%
41	Moldova, Republic of	1	0.1%
42	Mongolia	1	0.1%
43	Morocco	1	0.1%