Rank	Countries/Territories	Count	Percent
1	United States	547	33%
2	China	466	28.1%
3	Germany	108	6.5%
4	Japan	105	6.3%
5	India	56	3.4%
6	Australia	31	1.9%
7	Taiwan	31	1.9%
8	Korea, Republic of	26	1.6%
9	Netherlands	23	1.4%
10		20	1.2%
11	Canada	19	1.1%
12	Turkey	19	1.1%
13	United Kingdom	17	1%
14	Brazil	17	1%
15	Singapore	11	0.7%
16	Viet Nam	9	0.5%
17	France	9	0.5%
18	Romania	8	0.5%
19	Thailand	8	0.5%
20	South Africa	7	0.4%
21	Indonesia	7	0.4%
22	Iran, Islamic Republic of	7	0.4%
23	Ireland	7	0.4%
24	Hong Kong	6	0.4%
25	Denmark	6	0.4%
26	Colombia	6	0.4%
27	Cyprus	6	0.4%
28	Russia	6	0.4%
29	Sweden	6	0.4%
30	Ukraine	5	0.3%
31	Saudi Arabia	4	0.2%
32	Philippines	4	0.2%
33	Poland	4	0.2%
34	Bangladesh	4	0.2%
35	Iraq	4	0.2%
36	Malta	3	0.2%
37	Mexico	3	0.2%
38	Nicaragua	3	0.2%
39	Italy	3	0.2%
40	Norway	2	0.1%
41	Spain	2	0.1%
42	Libya	2	0.1%
43	Malaysia	2	0.1%
44	Israel	2	0.1%
45	Argentina	2	0.1%
46	Chile	2	0.1%
47	Czech Republic	2	0.1%
48	Ethiopia	2	0.1%
49	Georgia	1	0.1%
50	Bulgaria	1	0.1%
51	Bosnia and Herzegovina	1	0.1%
52	Latvia	1	0.1%
53	Morocco	1	0.1%
54	New Zealand	1	0.1%
55	Switzerland	1	0.1%