Rank	Countries/Territories	Count	Percent
1	United States	268	34.9%
2	China	169	22%
3	Germany	107	13.9%
4	India	50	6.5%
5	Colombia	24	3.1%
6	United Kingdom	20	2.6%
7	Japan	16	2.1%
8	Netherlands	16	2.1%
9	Hong Kong	9	1.2%
10	Canada	9	1.2%
11	Portugal	7	0.9%
12	Ireland	5	0.7%
13	Iran, Islamic Republic of	5	0.7%
14	Iraq	4	0.5%
15	Australia	4	0.5%
16	Cyprus	4	0.5%
17	Tanzania, United Republic of	4	0.5%
18	Viet Nam	3	0.4%
19	Korea, Republic of	3	0.4%
20	Philippines	3	0.4%
21	Poland	2	0.3%
22	Slovenia	2	0.3%
23	Israel	2	0.3%
24	Mexico	2	0.3%
25	Pakistan	2	0.3%
26	Palestine, State of	2	0.3%
27	Croatia	2	0.3%
28	Brazil	2	0.3%
29	France	2	0.3%
30	Sweden	2	0.3%
31	Taiwan	2	0.3%
32	Thailand	2	0.3%
33	Turkey	1	0.1%
34	Ukraine	1	0.1%
35	Georgia	1	0.1%
36	Greece	1	0.1%
37	Indonesia	1	0.1%
38	Argentina	1	0.1%
39	Egypt	1	0.1%
40	Ethiopia	1	0.1%
41	Italy	1	0.1%
42	Malaysia	1	0.1%
43	South Africa	1	0.1%
44	Sri Lanka	1	0.1%
45	Romania	1	0.1%
46	Russia	1	0.1%
47	Slovakia	1	0.1%