Rank	Countries/Territories	Count	Percent
1	United States	490	40.2%
2	China	326	26.7%
3	Germany	89	7.3%
4	Japan	37	3%
5	Korea, Republic of	36	3%
6	Spain	23	1.9%
7	Viet Nam	20	1.6%
8	Ukraine	14	1.1%
9	Taiwan	11	0.9%
10	France	11	0.9%
11	Ireland	10	0.8%
12	United Kingdom	10	0.8%
13	Singapore	9	0.7%
14	Iran, Islamic Republic of	9	0.7%
15	India	9	0.7%
16	Canada	9	0.7%
17	Mexico	7	0.6%
18	Netherlands	7	0.6%
19	Peru	7	0.6%
20	Chile	6	0.5%
21	Australia	6	0.5%
22	Hong Kong	5	0.4%
23	Cyprus	5	0.4%
24	Argentina	4	0.3%
25	Russia	4	0.3%
26	Italy	4	0.3%
27	Turkey	4	0.3%
28	Yemen	4	0.3%
29	South Africa	4	0.3%
30	Thailand	3	0.2%
31	Poland	3	0.2%
32	Brazil	3	0.2%
33	Denmark	3	0.2%
34	Indonesia	3	0.2%
35	Egypt	2	0.2%
36	Austria	2	0.2%
37	Colombia	2	0.2%
38	Malaysia	2	0.2%
39	Lithuania	2	0.2%
40	Uganda	2	0.2%
41	Slovakia	2	0.2%
42	Sweden	2	0.2%
43	Switzerland	2	0.2%
44	Luxembourg	1	0.1%
45	Libya	1	0.1%
46	Jamaica	1	0.1%
47	Kenya	1	0.1%
48	Saudi Arabia	1	0.1%
49	Philippines	1	0.1%
50	Mongolia	1	0.1%