Rank	Countries/Territories	Count	Percent
1	United States	513	36.4%
2	China	385	27.3%
3	Germany	144	10.2%
4	Japan	80	5.7%
5	Canada	40	2.8%
6	France	37	2.6%
7	Korea, Republic of	18	1.3%
8	India	16	1.1%
9	Cyprus	14	1%
10	Netherlands	12	0.9%
11	Viet Nam	11	0.8%
12	United Kingdom	10	0.7%
13	Turkey	10	0.7%
14	Ukraine	9	0.6%
15	Singapore	9	0.6%
16	Thailand	8	0.6%
17	Romania	8	0.6%
18	Russia	7	0.5%
19	Malaysia	6	0.4%
20	Sweden	6	0.4%
21	Switzerland	5	0.4%
22	Taiwan	4	0.3%
23	Lithuania	4	0.3%
24	Egypt	4	0.3%
25	Australia	4	0.3%
26	Belgium	4	0.3%
27	Brazil	3	0.2%
28	Ecuador	3	0.2%
29	Iran, Islamic Republic of	3	0.2%
30	Italy	3	0.2%
31	Philippines	3	0.2%
32	Poland	3	0.2%
33	Greece	2	0.1%
34	Hong Kong	2	0.1%
35	Kazakhstan	2	0.1%
36	Ireland	2	0.1%
37	Israel	2	0.1%
38	Austria	2	0.1%
39	Argentina	2	0.1%
40	Slovenia	2	0.1%
41	United Arab Emirates	1	0.1%
42	Slovakia	1	0.1%
43	Colombia	1	0.1%
44	Barbados	1	0.1%
45	Denmark	1	0.1%
46	Mexico	1	0.1%
47	Moldova, Republic of	1	0.1%
48	Norway	1	0.1%