Rank	Countries/Territories	Count	Percent
1	United States	332	33.6%
2	China	210	21.3%
3	Germany	121	12.3%
4	Canada	41	4.2%
5	Iran, Islamic Republic of	30	3%
6	India	19	1.9%
7	Japan	19	1.9%
8	France	16	1.6%
9	Australia	16	1.6%
10	Pakistan	16	1.6%
11	Hong Kong	12	1.2%
12	Korea, Republic of	12	1.2%
13	Netherlands	11	1.1%
14	Viet Nam	11	1.1%
15	United Kingdom	11	1.1%
16	Turkey	10	1%
17	Singapore	8	0.8%
18	Cyprus	8	0.8%
19	Belgium	7	0.7%
20	Switzerland	7	0.7%
21	New Zealand	6	0.6%
22	Poland	6	0.6%
23	Iraq	6	0.6%
24	Romania	5	0.5%
25	Italy	4	0.4%
26	Taiwan	4	0.4%
27	Thailand	4	0.4%
28	Spain	4	0.4%
29	Egypt	4	0.4%
30	Israel	3	0.3%
31	Malaysia	3	0.3%
32	South Africa	3	0.3%
33	Slovenia	2	0.2%
34	Tunisia	2	0.2%
35	Syrian Arab Republic	2	0.2%
36	Saudi Arabia	2	0.2%
37	Mexico	2	0.2%
38	Indonesia	2	0.2%
39	Brazil	2	0.2%
40	Georgia	1	0.1%
41	Philippines	1	0.1%
42	Uganda	1	0.1%
43	Ukraine	1	0.1%