Rank	Countries/Territories	Count	Percent
1	United States	244	36.1%
2	China	169	25%
3	Germany	35	5.2%
4	Canada	20	3%
5	Iran, Islamic Republic of	19	2.8%
6	India	18	2.7%
7	France	16	2.4%
8	Japan	14	2.1%
9	United Kingdom	14	2.1%
10	Netherlands	13	1.9%
11	Ireland	10	1.5%
12	Singapore	10	1.5%
13	Australia	10	1.5%
14	Cyprus	8	1.2%
15	Hong Kong	8	1.2%
16	South Africa	7	1%
17	New Zealand	6	0.9%
18	Taiwan	5	0.7%
19	United Arab Emirates	4	0.6%
20	Malaysia	4	0.6%
21	Philippines	4	0.6%
22	Romania	3	0.4%
23	Spain	3	0.4%
24	Italy	3	0.4%
25	Korea, Republic of	3	0.4%
26	Brazil	3	0.4%
27	Viet Nam	3	0.4%
28	Venezuela, Bolivarian Republic of	2	0.3%
29	Bulgaria	2	0.3%
30	Ecuador	2	0.3%
31	Bahrain	2	0.3%
32	Greece	2	0.3%
33	Switzerland	2	0.3%
34	Poland	2	0.3%
35	Mexico	1	0.1%
36	Pakistan	1	0.1%
37	Iraq	1	0.1%
38	Egypt	1	0.1%
39	Austria	1	0.1%
40	Thailand	1	0.1%