Rank	Countries/Territories	Count	Percent
1	United States	1847	55.1%
2	China	672	20.1%
3	Japan	194	5.8%
4	Germany	189	5.6%
5	United Kingdom	61	1.8%
6	Singapore	47	1.4%
7	France	33	1%
8	Canada	27	0.8%
9	Romania	26	0.8%
10	South Africa	24	0.7%
11	Pakistan	24	0.7%
12	Netherlands	20	0.6%
13	Korea, Republic of	17	0.5%
14	Chile	17	0.5%
15	Spain	13	0.4%
16	Belgium	10	0.3%
17	Cyprus	9	0.3%
18	Denmark	8	0.2%
19	India	8	0.2%
20	Colombia	8	0.2%
21	Iran, Islamic Republic of	8	0.2%
22	Ireland	8	0.2%
23	Russia	7	0.2%
24	Australia	6	0.2%
25	Indonesia	6	0.2%
26	Sweden	5	0.1%
27	Taiwan	4	0.1%
28	Turkey	4	0.1%
29	Nigeria	4	0.1%
30	Oman	3	0.1%
31	Iraq	3	0.1%
32	Brazil	3	0.1%
33	Venezuela, Bolivarian Republic of	3	0.1%
34	Viet Nam	3	0.1%
35	Thailand	3	0.1%
36	Serbia	3	0.1%
37	Switzerland	2	0.1%
38	United Arab Emirates	2	0.1%
39	Bulgaria	2	0.1%
40	Jordan	2	0.1%
41	Saudi Arabia	2	0.1%
42	Malaysia	2	0.1%
43	Mexico	2	0.1%
44	Morocco	2	0.1%
45	Norway	1	0%
46	Luxembourg	1	0%
47	Italy	1	0%
48	Argentina	1	0%
49	Greece	1	0%
50	Hong Kong	1	0%
51	Hungary	1	0%
52	Ukraine	1	0%