Rank	Countries/Territories	Count	Percent
1	United States	327	35.2%
2	China	206	22.2%
3	Germany	53	5.7%
4	India	45	4.8%
5	Belgium	34	3.7%
6	Korea, Republic of	23	2.5%
7	Canada	21	2.3%
8	Japan	19	2%
9	United Kingdom	18	1.9%
10	Netherlands	17	1.8%
11	Australia	13	1.4%
12	Iraq	12	1.3%
13	France	11	1.2%
14	Romania	10	1.1%
15	Russia	10	1.1%
16	Turkey	10	1.1%
17	Italy	8	0.9%
18	Egypt	7	0.8%
19	Slovakia	6	0.6%
20	Spain	5	0.5%
21	Chile	5	0.5%
22	Iran, Islamic Republic of	5	0.5%
23	Ireland	4	0.4%
24	Lithuania	4	0.4%
25	Brazil	4	0.4%
26	Croatia	4	0.4%
27	Ukraine	4	0.4%
28	Switzerland	4	0.4%
29	Taiwan	3	0.3%
30	Cyprus	3	0.3%
31	Denmark	3	0.3%
32	Greece	3	0.3%
33	Poland	3	0.3%
34	Pakistan	2	0.2%
35	Mexico	2	0.2%
36	Israel	2	0.2%
37	Hong Kong	2	0.2%
38	Austria	2	0.2%
39	Sweden	2	0.2%
40	Singapore	2	0.2%
41	Viet Nam	2	0.2%
42	Vanuatu	1	0.1%
43	Serbia	1	0.1%
44	Georgia	1	0.1%
45	Estonia	1	0.1%
46	Malaysia	1	0.1%
47	Nepal	1	0.1%
48	Oman	1	0.1%
49	Philippines	1	0.1%
50	Portugal	1	0.1%