Rank	Countries/Territories	Count	Percent
1	United States	449	41.7%
2	China	307	28.5%
3	Germany	102	9.5%
4	India	17	1.6%
5	France	16	1.5%
6	Canada	15	1.4%
7	Japan	15	1.4%
8	United Kingdom	12	1.1%
9	Netherlands	12	1.1%
10	Singapore	12	1.1%
11	Switzerland	9	0.8%
12	Taiwan	9	0.8%
13	Philippines	6	0.6%
14	Australia	6	0.6%
15		5	0.5%
16	Cyprus	5	0.5%
17	Korea, Republic of	5	0.5%
18	Ukraine	4	0.4%
19	Russia	4	0.4%
20	Senegal	4	0.4%
21	Norway	3	0.3%
22	Turkey	3	0.3%
23	Latvia	3	0.3%
24	Libya	3	0.3%
25	Indonesia	3	0.3%
26	Poland	3	0.3%
27	Portugal	3	0.3%
28	Finland	3	0.3%
29	Hong Kong	3	0.3%
30	Hungary	2	0.2%
31	Ecuador	2	0.2%
32	Egypt	2	0.2%
33	Mexico	2	0.2%
34	Nepal	2	0.2%
35	Ireland	2	0.2%
36	Honduras	2	0.2%
37	Serbia	2	0.2%
38	Slovakia	2	0.2%
39	Spain	2	0.2%
40	Sweden	2	0.2%
41	Peru	1	0.1%
42	Thailand	1	0.1%
43	Viet Nam	1	0.1%
44	Israel	1	0.1%
45	Iran, Islamic Republic of	1	0.1%
46	Malaysia	1	0.1%
47	Kazakhstan	1	0.1%
48	Romania	1	0.1%
49	Argentina	1	0.1%
50	Belgium	1	0.1%
51	Cameroon	1	0.1%
52	Greece	1	0.1%
53	Chile	1	0.1%