Rank	Countries/Territories	Count	Percent
1	United States	653	38.5%
2	China	452	26.7%
3	Germany	165	9.7%
4	France	57	3.4%
5	Japan	37	2.2%
6	Netherlands	22	1.3%
7	Pakistan	21	1.2%
8	Singapore	20	1.2%
9	Taiwan	20	1.2%
10	Russia	18	1.1%
11	India	18	1.1%
12	Iran, Islamic Republic of	18	1.1%
13	Denmark	18	1.1%
14	Hong Kong	15	0.9%
15	Canada	15	0.9%
16	Korea, Republic of	15	0.9%
17	United Kingdom	15	0.9%
18	Viet Nam	11	0.6%
19	Ireland	11	0.6%
20	Brazil	8	0.5%
21	Sweden	7	0.4%
22	Australia	6	0.4%
23	Austria	5	0.3%
24	Albania	5	0.3%
25	Cyprus	5	0.3%
26	Ukraine	5	0.3%
27	Turkey	4	0.2%
28	Spain	4	0.2%
29	Cambodia	4	0.2%
30	Norway	4	0.2%
31	Italy	4	0.2%
32	Romania	3	0.2%
33	Israel	3	0.2%
34	Latvia	3	0.2%
35	Malaysia	3	0.2%
36	Bulgaria	3	0.2%
37	South Africa	3	0.2%
38	United Arab Emirates	2	0.1%
39	Indonesia	2	0.1%
40	Morocco	2	0.1%
41	Philippines	2	0.1%
42	Puerto Rico	2	0.1%
43	Mexico	1	0.1%
44	Argentina	1	0.1%
45	Bangladesh	1	0.1%
46	Belgium	1	0.1%
47	Ecuador	1	0.1%