Rank	Countries/Territories	Count	Percent
1	United States	571	48.8%
2	China	250	21.3%
3	Germany	77	6.6%
4	Korea, Republic of	45	3.8%
5	India	36	3.1%
6	Turkey	26	2.2%
7	Japan	14	1.2%
8	Russia	14	1.2%
9	Netherlands	11	0.9%
10	Australia	8	0.7%
11	Chile	7	0.6%
12	France	7	0.6%
13	Iran, Islamic Republic of	7	0.6%
14	United Arab Emirates	7	0.6%
15	United Kingdom	7	0.6%
16	Sweden	7	0.6%
17	Ukraine	6	0.5%
18	Canada	6	0.5%
19	Malaysia	6	0.5%
20	Nigeria	5	0.4%
21	Senegal	4	0.3%
22	Singapore	4	0.3%
23	Latvia	4	0.3%
24	Indonesia	4	0.3%
25	Colombia	4	0.3%
26	Cyprus	4	0.3%
27	Slovenia	4	0.3%
28	Kenya	3	0.3%
29	New Zealand	2	0.2%
30	Portugal	2	0.2%
31	Bangladesh	2	0.2%
32	Brazil	2	0.2%
33	Thailand	2	0.2%
34	South Africa	1	0.1%
35	Viet Nam	1	0.1%
36	Argentina	1	0.1%
37	Czech Republic	1	0.1%
38	Ecuador	1	0.1%
39	Iraq	1	0.1%
40	Ireland	1	0.1%
41	Italy	1	0.1%
42	Ghana	1	0.1%
43	Iceland	1	0.1%
44	Norway	1	0.1%
45	Poland	1	0.1%
46	Slovakia	1	0.1%