Rank	Countries/Territories	Count	Percent
1	United States	264	29.2%
2	China	231	25.6%
3	Germany	85	9.4%
4	Japan	68	7.5%
5	Iran, Islamic Republic of	44	4.9%
6	India	28	3.1%
7	France	24	2.7%
8	Indonesia	20	2.2%
9	Singapore	19	2.1%
10	Serbia	13	1.4%
11	Turkey	11	1.2%
12	Ireland	10	1.1%
13	Korea, Republic of	9	1%
14	Netherlands	9	1%
15	United Kingdom	8	0.9%
16	Viet Nam	6	0.7%
17	Canada	6	0.7%
18	Romania	5	0.6%
19	Taiwan	5	0.6%
20	Australia	4	0.4%
21	Algeria	3	0.3%
22	Jordan	3	0.3%
23	Italy	3	0.3%
24	Nigeria	3	0.3%
25	Russia	2	0.2%
26	Spain	2	0.2%
27	Sweden	2	0.2%
28	Venezuela, Bolivarian Republic of	2	0.2%
29	Mexico	2	0.2%
30	Cyprus	2	0.2%
31	Egypt	1	0.1%
32	Hong Kong	1	0.1%
33	Hungary	1	0.1%
34	Brazil	1	0.1%
35	Kazakhstan	1	0.1%
36	Ukraine	1	0.1%
37	Thailand	1	0.1%
38	Saudi Arabia	1	0.1%
39	Norway	1	0.1%
40	Oman	1	0.1%