Rank	Countries/Territories	Count	Percent
1	United States	596	36.7%
2	China	482	29.6%
3	Germany	102	6.3%
4	France	46	2.8%
5	United Kingdom	34	2.1%
6	Netherlands	33	2%
7	Canada	30	1.8%
8	Australia	30	1.8%
9	India	28	1.7%
10	Indonesia	25	1.5%
11	Japan	22	1.4%
12	Ireland	21	1.3%
13	Iran, Islamic Republic of	17	1%
14	Portugal	13	0.8%
15	Turkey	12	0.7%
16	Singapore	11	0.7%
17	Hong Kong	11	0.7%
18	Russia	10	0.6%
19	Senegal	10	0.6%
20	Bulgaria	8	0.5%
21	Cyprus	8	0.5%
22	Sweden	7	0.4%
23	Korea, Republic of	6	0.4%
24	Latvia	6	0.4%
25	Egypt	5	0.3%
26	Italy	4	0.2%
27	Malaysia	3	0.2%
28	Israel	3	0.2%
29	Argentina	3	0.2%
30	Switzerland	3	0.2%
31	Peru	3	0.2%
32	Qatar	2	0.1%
33	Romania	2	0.1%
34	Thailand	2	0.1%
35	Poland	2	0.1%
36	Viet Nam	2	0.1%
37	Virgin Islands, U.S.	2	0.1%
38	Czech Republic	2	0.1%
39	Colombia	2	0.1%
40	Iraq	2	0.1%
41	Lithuania	2	0.1%
42	Nepal	2	0.1%
43	New Zealand	2	0.1%
44	Norway	1	0.1%
45	Mexico	1	0.1%
46	Moldova, Republic of	1	0.1%
47	Mongolia	1	0.1%
48	Iceland	1	0.1%
49	Finland	1	0.1%
50	Austria	1	0.1%
51	Ukraine	1	0.1%
52	Philippines	1	0.1%
53	Spain	1	0.1%