Rank	Countries/Territories	Count	Percent
1	United States	1001	35.8%
2	China	480	17.2%
3	Germany	171	6.1%
4	India	109	3.9%
5	Iran, Islamic Republic of	109	3.9%
6	Netherlands	72	2.6%
7	United Kingdom	62	2.2%
8	Australia	53	1.9%
9	France	51	1.8%
10	Jordan	47	1.7%
11	Japan	38	1.4%
12	Indonesia	36	1.3%
13	Ireland	35	1.3%
14	Kazakhstan	35	1.3%
15	Canada	34	1.2%
16	Denmark	33	1.2%
17	Turkey	31	1.1%
18	Taiwan	29	1%
19	Korea, Republic of	27	1%
20	Russia	26	0.9%
21	Singapore	21	0.8%
22	Romania	16	0.6%
23	Brazil	16	0.6%
24	Egypt	16	0.6%
25	Algeria	15	0.5%
26	Hong Kong	12	0.4%
27	Spain	12	0.4%
28	Mexico	12	0.4%
29	New Zealand	10	0.4%
30	Ukraine	10	0.4%
31	United Arab Emirates	10	0.4%
32	Tanzania, United Republic of	10	0.4%
33	Venezuela, Bolivarian Republic of	10	0.4%
34	Viet Nam	10	0.4%
35	Belgium	9	0.3%
36	Greece	8	0.3%
37	Italy	7	0.3%
38	Hungary	6	0.2%
39	Ghana	6	0.2%
40	Argentina	6	0.2%
41	Cyprus	6	0.2%
42	Colombia	6	0.2%
43	Poland	6	0.2%
44	Sweden	5	0.2%
45	Malaysia	5	0.2%
46	Latvia	5	0.2%
47	Czech Republic	5	0.2%
48	Lithuania	4	0.1%
49	Mongolia	4	0.1%
50	Morocco	4	0.1%
51	Panama	4	0.1%
52	Saudi Arabia	4	0.1%
53	Sierra Leone	3	0.1%
54	Portugal	3	0.1%
55	Norway	3	0.1%
56	Oman	2	0.1%
57	Mauritania	2	0.1%
58	Ecuador	2	0.1%
59	Chile	2	0.1%
60	Bangladesh	2	0.1%
61	Cameroon	2	0.1%
62	Angola	1	0%
63	Azerbaijan	1	0%
64	Cote D'ivoire	1	0%
65	Ethiopia	1	0%
66	Georgia	1	0%
67	Jamaica	1	0%
68	Pakistan	1	0%
69	Palestine, State of	1	0%
70	Nigeria	1	0%
71	Switzerland	1	0%
72	Syrian Arab Republic	1	0%
73	Thailand	1	0%
74	Slovakia	1	0%