Rank	Countries/Territories	Count	Percent
1	United States	321	42.6%
2	China	136	18.1%
3	Germany	56	7.4%
4	India	39	5.2%
5	United Arab Emirates	38	5%
6	Slovakia	15	2%
7	Netherlands	15	2%
8	France	11	1.5%
9	Japan	10	1.3%
10	Korea, Republic of	8	1.1%
11	Switzerland	8	1.1%
12	Pakistan	7	0.9%
13	Canada	6	0.8%
14	United Kingdom	6	0.8%
15	Singapore	5	0.7%
16	Russia	5	0.7%
17	Iran, Islamic Republic of	4	0.5%
18	Ireland	4	0.5%
19	Italy	4	0.5%
20	Guatemala	4	0.5%
21	Taiwan	4	0.5%
22	Ukraine	3	0.4%
23	South Africa	3	0.4%
24	Georgia	3	0.4%
25	Cyprus	3	0.4%
26	Australia	3	0.4%
27	Bahrain	2	0.3%
28	Ghana	2	0.3%
29	Indonesia	2	0.3%
30	Latvia	2	0.3%
31	Lithuania	2	0.3%
32	Macao	2	0.3%
33	Malaysia	2	0.3%
34	Palestine, State of	2	0.3%
35	Spain	2	0.3%
36	Slovenia	2	0.3%
37	Sweden	1	0.1%
38	Philippines	1	0.1%
39	Poland	1	0.1%
40	Romania	1	0.1%
41	Saudi Arabia	1	0.1%
42	Norway	1	0.1%
43	Iraq	1	0.1%
44	Hong Kong	1	0.1%
45	Bosnia and Herzegovina	1	0.1%
46	Bulgaria	1	0.1%
47	Egypt	1	0.1%
48	Argentina	1	0.1%