Rank	Countries/Territories	Count	Percent
1	United States	339	33.2%
2	China	209	20.5%
3	Germany	96	9.4%
4	India	71	7%
5	Iran, Islamic Republic of	33	3.2%
6	France	24	2.4%
7	Australia	22	2.2%
8	United Kingdom	21	2.1%
9	Korea, Republic of	19	1.9%
10	Canada	16	1.6%
11	Netherlands	15	1.5%
12	Poland	10	1%
13	Thailand	9	0.9%
14	Turkey	8	0.8%
15	Ukraine	8	0.8%
16	Japan	8	0.8%
17	Ireland	7	0.7%
18	Colombia	7	0.7%
19	Russia	7	0.7%
20	Saudi Arabia	6	0.6%
21	Singapore	5	0.5%
22	Spain	5	0.5%
23	Brazil	5	0.5%
24	Argentina	5	0.5%
25	Pakistan	5	0.5%
26	Malaysia	4	0.4%
27	Cyprus	4	0.4%
28	Egypt	4	0.4%
29	Switzerland	4	0.4%
30	South Africa	3	0.3%
31		3	0.3%
32	Bulgaria	3	0.3%
33	Nepal	3	0.3%
34	Philippines	3	0.3%
35	Jordan	3	0.3%
36	Libya	2	0.2%
37	Lithuania	2	0.2%
38	Italy	2	0.2%
39	Romania	2	0.2%
40	Austria	2	0.2%
41	Belgium	2	0.2%
42	Taiwan	2	0.2%
43	Viet Nam	2	0.2%
44	Yemen	1	0.1%
45	Trinidad and Tobago	1	0.1%
46	Sweden	1	0.1%
47	Brunei Darussalam	1	0.1%
48	Finland	1	0.1%
49	Hong Kong	1	0.1%
50	Denmark	1	0.1%
51	Ecuador	1	0.1%
52	Croatia	1	0.1%
53	Mexico	1	0.1%
54	Iraq	1	0.1%