Rank	Countries/Territories	Count	Percent
1	United States	703	53.6%
2	China	265	20.2%
3	Germany	57	4.3%
4	Japan	44	3.4%
5	Korea, Republic of	37	2.8%
6	India	36	2.7%
7	Spain	21	1.6%
8	Canada	18	1.4%
9	United Kingdom	14	1.1%
10	Singapore	11	0.8%
11	Hong Kong	10	0.8%
12	Brazil	9	0.7%
13	Ireland	7	0.5%
14	Russia	7	0.5%
15	Senegal	6	0.5%
16	Italy	6	0.5%
17	Australia	6	0.5%
18	Taiwan	6	0.5%
19	Thailand	4	0.3%
20	Egypt	4	0.3%
21	Netherlands	4	0.3%
22	Iran, Islamic Republic of	3	0.2%
23	Poland	3	0.2%
24	Denmark	3	0.2%
25	France	3	0.2%
26	Israel	2	0.2%
27	Colombia	2	0.2%
28	Argentina	2	0.2%
29	Romania	2	0.2%
30	Morocco	2	0.2%
31	Malaysia	2	0.2%
32	Maldives	2	0.2%
33	Turkey	2	0.2%
34	Tanzania, United Republic of	1	0.1%
35	Mongolia	1	0.1%
36	Norway	1	0.1%
37	Philippines	1	0.1%
38	Serbia	1	0.1%
39	Saudi Arabia	1	0.1%
40	Czech Republic	1	0.1%
41	Ethiopia	1	0.1%
42	Indonesia	1	0.1%