Rank	Countries/Territories	Count	Percent
1	United States	391	40.8%
2	China	206	21.5%
3	Germany	78	8.1%
4	India	37	3.9%
5	Japan	34	3.5%
6	France	31	3.2%
7	Russia	26	2.7%
8	United Kingdom	22	2.3%
9	Chile	14	1.5%
10	Iran, Islamic Republic of	13	1.4%
11	Canada	11	1.1%
12	Singapore	10	1%
13	Netherlands	8	0.8%
14	Malaysia	6	0.6%
15	Egypt	6	0.6%
16	Hong Kong	5	0.5%
17	Indonesia	5	0.5%
18	Australia	4	0.4%
19	South Africa	4	0.4%
20	Turkey	3	0.3%
21	Viet Nam	3	0.3%
22	Ireland	3	0.3%
23	Philippines	3	0.3%
24	Mexico	2	0.2%
25	Myanmar	2	0.2%
26	Korea, Republic of	2	0.2%
27	Brazil	2	0.2%
28	Cambodia	2	0.2%
29	Greece	2	0.2%
30	Cyprus	2	0.2%
31	Oman	2	0.2%
32	Spain	2	0.2%
33	Sri Lanka	2	0.2%
34	Sweden	1	0.1%
35	Taiwan	1	0.1%
36	Ukraine	1	0.1%
37	United Arab Emirates	1	0.1%
38	Serbia	1	0.1%
39	Czech Republic	1	0.1%
40	Hungary	1	0.1%
41	Bangladesh	1	0.1%
42	Argentina	1	0.1%
43	Colombia	1	0.1%
44	Kuwait	1	0.1%
45	Jordan	1	0.1%
46	Morocco	1	0.1%
47	Romania	1	0.1%
48	Norway	1	0.1%