Rank	Countries/Territories	Count	Percent
1	United States	386	32.4%
2	China	286	24%
3	Germany	131	11%
4	India	63	5.3%
5	Canada	37	3.1%
6	Iran, Islamic Republic of	29	2.4%
7	Turkey	25	2.1%
8	Netherlands	21	1.8%
9	Russia	19	1.6%
10	Japan	16	1.3%
11	Korea, Republic of	16	1.3%
12	Egypt	16	1.3%
13	Hong Kong	16	1.3%
14	Switzerland	15	1.3%
15	Brazil	9	0.8%
16	Taiwan	8	0.7%
17	Thailand	7	0.6%
18	Ethiopia	7	0.6%
19	Israel	7	0.6%
20	Belgium	6	0.5%
21	Ecuador	6	0.5%
22	United Kingdom	5	0.4%
23	Singapore	5	0.4%
24	Cyprus	5	0.4%
25	Italy	5	0.4%
26	Malaysia	5	0.4%
27	Pakistan	3	0.3%
28	Portugal	3	0.3%
29	Romania	3	0.3%
30	Lebanon	3	0.3%
31	Ireland	3	0.3%
32	Australia	3	0.3%
33	Hungary	3	0.3%
34	Denmark	2	0.2%
35	Costa Rica	2	0.2%
36	Indonesia	2	0.2%
37	Mexico	2	0.2%
38	Saudi Arabia	2	0.2%
39	Czech Republic	1	0.1%
40	Argentina	1	0.1%
41	France	1	0.1%
42	Ghana	1	0.1%
43	South Africa	1	0.1%
44	Spain	1	0.1%
45	Sweden	1	0.1%
46	Viet Nam	1	0.1%