Rank	Countries/Territories	Count	Percent
1	United States	422	37.7%
2	China	264	23.6%
3	Germany	114	10.2%
4	Japan	73	6.5%
5	France	36	3.2%
6	Netherlands	27	2.4%
7	Singapore	14	1.3%
8	Mexico	10	0.9%
9	Colombia	10	0.9%
10	Canada	8	0.7%
11	Argentina	7	0.6%
12	Hong Kong	7	0.6%
13	Palestine, State of	7	0.6%
14	Italy	6	0.5%
15	India	6	0.5%
16	Indonesia	6	0.5%
17	Australia	6	0.5%
18	Cameroon	6	0.5%
19	Cyprus	5	0.4%
20	Nigeria	5	0.4%
21	Qatar	5	0.4%
22	Switzerland	5	0.4%
23	United Kingdom	5	0.4%
24	Taiwan	4	0.4%
25	Viet Nam	4	0.4%
26	Sweden	4	0.4%
27	Ireland	4	0.4%
28	Hungary	4	0.4%
29	Croatia	4	0.4%
30	Bangladesh	3	0.3%
31	Ukraine	3	0.3%
32	Thailand	2	0.2%
33	Spain	2	0.2%
34	Belgium	2	0.2%
35	Brazil	2	0.2%
36	Bulgaria	2	0.2%
37	Ethiopia	2	0.2%
38	Ghana	2	0.2%
39	Israel	2	0.2%
40	Iran, Islamic Republic of	2	0.2%
41	Norway	2	0.2%
42	New Zealand	2	0.2%
43	Mongolia	2	0.2%
44	Korea, Republic of	2	0.2%
45	Mauritius	1	0.1%
46	Honduras	1	0.1%
47	Georgia	1	0.1%
48	Cote D'ivoire	1	0.1%
49	Albania	1	0.1%
50	Austria	1	0.1%
51	Slovenia	1	0.1%
52	Philippines	1	0.1%
53	Portugal	1	0.1%