Rank	Countries/Territories	Count	Percent
1	United States	585	36.4%
2	China	407	25.3%
3	Germany	195	12.1%
4	France	62	3.9%
5	Iran, Islamic Republic of	46	2.9%
6	India	29	1.8%
7	Japan	29	1.8%
8	Canada	26	1.6%
9	Russia	25	1.6%
10	United Kingdom	22	1.4%
11	Netherlands	17	1.1%
12	Cyprus	15	0.9%
13	Denmark	14	0.9%
14	Korea, Republic of	13	0.8%
15	Singapore	13	0.8%
16	Argentina	12	0.7%
17	Australia	12	0.7%
18	Egypt	9	0.6%
19	Taiwan	9	0.6%
20	Norway	8	0.5%
21	Spain	7	0.4%
22	Portugal	5	0.3%
23	Italy	4	0.2%
24	Switzerland	4	0.2%
25	Turkey	4	0.2%
26	Israel	3	0.2%
27	Qatar	3	0.2%
28	Malaysia	3	0.2%
29	Indonesia	3	0.2%
30	Austria	3	0.2%
31	Brazil	3	0.2%
32	Chile	2	0.1%
33	Ghana	2	0.1%
34	Greece	2	0.1%
35	Ireland	2	0.1%
36	United Arab Emirates	2	0.1%
37	Thailand	2	0.1%
38	Mexico	1	0.1%
39	Moldova, Republic of	1	0.1%
40	Saudi Arabia	1	0.1%
41	Hong Kong	1	0.1%
42	Algeria	1	0.1%