Rank	Countries/Territories	Count	Percent
1	United States	370	26.3%
2	China	327	23.3%
3	Iran, Islamic Republic of	102	7.3%
4	Germany	96	6.8%
5	Japan	93	6.6%
6	United Kingdom	62	4.4%
7	India	41	2.9%
8	Indonesia	35	2.5%
9	France	30	2.1%
10	Thailand	24	1.7%
11	Canada	22	1.6%
12	Singapore	20	1.4%
13	Netherlands	13	0.9%
14	Taiwan	10	0.7%
15	Malaysia	10	0.7%
16	Korea, Republic of	8	0.6%
17	Cyprus	8	0.6%
18	Australia	8	0.6%
19	Hong Kong	7	0.5%
20	Viet Nam	7	0.5%
21	New Zealand	7	0.5%
22	Moldova, Republic of	7	0.5%
23	Portugal	7	0.5%
24	Saudi Arabia	7	0.5%
25	Turkey	6	0.4%
26	South Africa	5	0.4%
27	Russia	5	0.4%
28	Egypt	5	0.4%
29	Ireland	5	0.4%
30	Italy	5	0.4%
31	Austria	4	0.3%
32	Argentina	4	0.3%
33	Philippines	4	0.3%
34	Mexico	4	0.3%
35	Pakistan	3	0.2%
36	Brazil	3	0.2%
37	Cambodia	3	0.2%
38	Algeria	2	0.1%
39	Bangladesh	2	0.1%
40	Belgium	2	0.1%
41	Dominican Republic	2	0.1%
42	Ecuador	2	0.1%
43	Iraq	2	0.1%
44	Finland	2	0.1%
45	Mauritius	2	0.1%
46	Nigeria	2	0.1%
47	Norway	2	0.1%
48	Switzerland	2	0.1%
49	Ukraine	1	0.1%
50	Greece	1	0.1%
51	Malta	1	0.1%
52	Denmark	1	0.1%
53	Chile	1	0.1%
54	Cuba	1	0.1%