Rank	Countries/Territories	Count	Percent
1	United States	321	44.7%
2	China	87	12.1%
3	Germany	57	7.9%
4	Korea, Republic of	33	4.6%
5	Canada	21	2.9%
6	Australia	19	2.6%
7	India	19	2.6%
8	United Kingdom	19	2.6%
9	Netherlands	15	2.1%
10	Japan	14	1.9%
11	France	13	1.8%
12	Russia	13	1.8%
13	Cyprus	7	1%
14	Iran, Islamic Republic of	6	0.8%
15	Romania	5	0.7%
16	Turkey	5	0.7%
17	Ukraine	4	0.6%
18	Italy	4	0.6%
19	Poland	4	0.6%
20	Norway	4	0.6%
21	Jordan	4	0.6%
22	Lebanon	3	0.4%
23	Lithuania	3	0.4%
24	Ireland	2	0.3%
25	Indonesia	2	0.3%
26	Ethiopia	2	0.3%
27	Algeria	2	0.3%
28	Azerbaijan	2	0.3%
29	United Arab Emirates	2	0.3%
30	Sweden	2	0.3%
31	Serbia	2	0.3%
32	Singapore	2	0.3%
33	Slovakia	1	0.1%
34	South Africa	1	0.1%
35	Thailand	1	0.1%
36	Saudi Arabia	1	0.1%
37	Bangladesh	1	0.1%
38	Brazil	1	0.1%
39	Bulgaria	1	0.1%
40	Cambodia	1	0.1%
41	Czech Republic	1	0.1%
42	Greece	1	0.1%
43	Hungary	1	0.1%
44	Israel	1	0.1%
45	Mauritius	1	0.1%
46	Mexico	1	0.1%
47	Moldova, Republic of	1	0.1%
48	Morocco	1	0.1%
49	Kuwait	1	0.1%
50	Philippines	1	0.1%
51	New Zealand	1	0.1%
52	Qatar	1	0.1%