Rank	Countries/Territories	Count	Percent
1	United States	506	30.5%
2	China	381	22.9%
3	Germany	123	7.4%
4	India	121	7.3%
5	Chile	58	3.5%
6	Spain	45	2.7%
7	Taiwan	38	2.3%
8		34	2%
9	Canada	27	1.6%
10	Japan	26	1.6%
11	Australia	20	1.2%
12	Cyprus	19	1.1%
13	Ireland	19	1.1%
14	Korea, Republic of	16	1%
15	United Kingdom	16	1%
16	Iran, Islamic Republic of	15	0.9%
17	Hong Kong	14	0.8%
18	Mexico	13	0.8%
19	Netherlands	13	0.8%
20	Brazil	12	0.7%
21	Thailand	10	0.6%
22	Moldova, Republic of	9	0.5%
23	Italy	9	0.5%
24	Indonesia	9	0.5%
25	Nigeria	8	0.5%
26	New Zealand	7	0.4%
27	Bangladesh	7	0.4%
28	Bulgaria	6	0.4%
29	Sweden	6	0.4%
30	Ukraine	5	0.3%
31	Russia	5	0.3%
32	Finland	5	0.3%
33	France	5	0.3%
34	Greece	4	0.2%
35	Czech Republic	4	0.2%
36	Cambodia	4	0.2%
37	Poland	4	0.2%
38	Saudi Arabia	3	0.2%
39	Singapore	3	0.2%
40	Pakistan	3	0.2%
41	Philippines	3	0.2%
42	Ecuador	3	0.2%
43	Ethiopia	2	0.1%
44	Belgium	2	0.1%
45	Hungary	2	0.1%
46	Latvia	2	0.1%
47	Oman	2	0.1%
48	Portugal	2	0.1%
49	Togo	2	0.1%
50	Viet Nam	2	0.1%
51	Venezuela, Bolivarian Republic of	1	0.1%
52	Turkey	1	0.1%
53	Malaysia	1	0.1%
54	Mauritius	1	0.1%
55	Norway	1	0.1%
56	Mongolia	1	0.1%
57	Argentina	1	0.1%