Rank	Countries/Territories	Count	Percent
1	United States	528	46.3%
2	China	268	23.5%
3	Germany	96	8.4%
4	Japan	41	3.6%
5	France	27	2.4%
6	Netherlands	20	1.8%
7	Canada	16	1.4%
8	Iran, Islamic Republic of	14	1.2%
9	United Kingdom	12	1.1%
10	Korea, Republic of	10	0.9%
11	India	10	0.9%
12	Cyprus	9	0.8%
13	Hong Kong	7	0.6%
14	Taiwan	7	0.6%
15	Australia	6	0.5%
16	Saudi Arabia	6	0.5%
17	Brazil	5	0.4%
18	Indonesia	5	0.4%
19	Viet Nam	5	0.4%
20	Ukraine	4	0.4%
21	Portugal	4	0.4%
22	Singapore	4	0.4%
23	South Africa	3	0.3%
24	Pakistan	3	0.3%
25	Ireland	3	0.3%
26	Greece	3	0.3%
27	Ghana	2	0.2%
28	Bangladesh	2	0.2%
29	Egypt	2	0.2%
30	Colombia	2	0.2%
31	Mexico	2	0.2%
32	Libya	2	0.2%
33	Italy	2	0.2%
34	Nepal	2	0.2%
35	Sweden	2	0.2%
36	Syrian Arab Republic	1	0.1%
37	Malaysia	1	0.1%
38	Mongolia	1	0.1%
39	Israel	1	0.1%
40	Georgia	1	0.1%
41	Romania	1	0.1%
42	Russia	1	0.1%