Rank	Countries/Territories	Count	Percent
1	United States	838	22.3%
2	China	837	22.3%
3	Korea, Republic of	434	11.5%
4	Germany	193	5.1%
5	Chile	141	3.8%
6	Taiwan	125	3.3%
7	Netherlands	107	2.8%
8	India	104	2.8%
9	Argentina	89	2.4%
10	France	66	1.8%
11	Mexico	60	1.6%
12	Indonesia	59	1.6%
13	Pakistan	56	1.5%
14	Iran, Islamic Republic of	53	1.4%
15	Japan	52	1.4%
16	Egypt	50	1.3%
17	Canada	42	1.1%
18	Australia	40	1.1%
19	Ireland	37	1%
20	Philippines	35	0.9%
21	Thailand	35	0.9%
22	United Kingdom	28	0.7%
23	Viet Nam	26	0.7%
24	Ecuador	26	0.7%
25	Singapore	20	0.5%
26	Spain	18	0.5%
27	Peru	17	0.5%
28	Russia	14	0.4%
29	Saudi Arabia	14	0.4%
30	Brazil	13	0.3%
31	South Africa	11	0.3%
32	Belgium	10	0.3%
33	Colombia	10	0.3%
34	Israel	9	0.2%
35	Malaysia	9	0.2%
36	Romania	8	0.2%
37	Mauritius	7	0.2%
38	Hong Kong	5	0.1%
39	Cyprus	5	0.1%
40	Albania	4	0.1%
41	Bangladesh	4	0.1%
42	Belarus	4	0.1%
43	Italy	4	0.1%
44	Mongolia	4	0.1%
45	Nepal	3	0.1%
46	Serbia	3	0.1%
47	Turkey	3	0.1%
48	Ukraine	3	0.1%
49	United Arab Emirates	3	0.1%
50	Jordan	3	0.1%
51	Lithuania	2	0.1%
52	Austria	2	0.1%
53	Bosnia and Herzegovina	2	0.1%
54	Denmark	2	0.1%
55	Czech Republic	1	0%
56	Hungary	1	0%
57	Greece	1	0%
58	Fiji	1	0%
59	Georgia	1	0%
60	Tanzania, United Republic of	1	0%
61	Switzerland	1	0%
62	Poland	1	0%
63	Portugal	1	0%
64	Qatar	1	0%