Rank	Countries/Territories	Count	Percent
1	United States	537	42.7%
2	China	188	14.9%
3	Germany	91	7.2%
4	India	79	6.3%
5	United Kingdom	59	4.7%
6	Japan	27	2.1%
7	France	22	1.7%
8	Iran, Islamic Republic of	20	1.6%
9	Netherlands	18	1.4%
10	Australia	18	1.4%
11	Taiwan	15	1.2%
12	Pakistan	14	1.1%
13	Korea, Republic of	14	1.1%
14	Israel	13	1%
15	Canada	12	1%
16	Italy	10	0.8%
17	Ireland	10	0.8%
18	Singapore	9	0.7%
19	Colombia	8	0.6%
20	Denmark	7	0.6%
21	Hong Kong	7	0.6%
22	Norway	7	0.6%
23	Turkey	6	0.5%
24	Russia	5	0.4%
25	Indonesia	5	0.4%
26	Cyprus	5	0.4%
27	Brazil	5	0.4%
28	Ukraine	4	0.3%
29	Spain	4	0.3%
30	Viet Nam	4	0.3%
31	Belgium	3	0.2%
32	Algeria	3	0.2%
33	Mexico	3	0.2%
34	Mauritius	2	0.2%
35	Liechtenstein	2	0.2%
36	Austria	2	0.2%
37	Sweden	2	0.2%
38	Serbia	2	0.2%
39	Philippines	2	0.2%
40	Portugal	2	0.2%
41	Romania	2	0.2%
42	Poland	1	0.1%
43	Saudi Arabia	1	0.1%
44	Angola	1	0.1%
45	Chile	1	0.1%
46	Czech Republic	1	0.1%
47	Georgia	1	0.1%
48	Greece	1	0.1%
49	Lithuania	1	0.1%
50	Malaysia	1	0.1%
51	New Zealand	1	0.1%