Rank	Countries/Territories	Count	Percent
1	United States	705	50.9%
2	China	275	19.9%
3	Germany	65	4.7%
4	France	54	3.9%
5		45	3.2%
6	Netherlands	22	1.6%
7	Iran, Islamic Republic of	20	1.4%
8	Japan	18	1.3%
9	India	18	1.3%
10	Taiwan	18	1.3%
11	Singapore	16	1.2%
12	Korea, Republic of	13	0.9%
13	Canada	13	0.9%
14	Cyprus	10	0.7%
15	Lithuania	7	0.5%
16	Morocco	7	0.5%
17	Hong Kong	6	0.4%
18	Italy	6	0.4%
19	Denmark	5	0.4%
20	Australia	5	0.4%
21	Colombia	4	0.3%
22	Indonesia	4	0.3%
23	Ireland	4	0.3%
24	Latvia	4	0.3%
25	South Africa	4	0.3%
26	Mongolia	3	0.2%
27	Greece	3	0.2%
28	Russia	3	0.2%
29	Sweden	3	0.2%
30	Turkey	3	0.2%
31	Ukraine	3	0.2%
32	United Kingdom	2	0.1%
33	Switzerland	2	0.1%
34	Brazil	2	0.1%
35	Argentina	2	0.1%
36	Mexico	2	0.1%
37	Norway	2	0.1%
38	Poland	1	0.1%
39	Spain	1	0.1%
40	Sri Lanka	1	0.1%
41	Malaysia	1	0.1%
42	Bangladesh	1	0.1%
43	Czech Republic	1	0.1%
44	Tanzania, United Republic of	1	0.1%