Rank	Countries/Territories	Count	Percent
1	United States	604	36.7%
2	China	472	28.6%
3	Germany	116	7%
4	Latvia	67	4.1%
5	France	62	3.8%
6	Canada	28	1.7%
7	Japan	28	1.7%
8	Netherlands	26	1.6%
9	India	24	1.5%
10	Singapore	24	1.5%
11	Denmark	23	1.4%
12	United Kingdom	20	1.2%
13		15	0.9%
14	Australia	13	0.8%
15	Iran, Islamic Republic of	11	0.7%
16	Ireland	8	0.5%
17	Cyprus	8	0.5%
18	Hong Kong	8	0.5%
19	Korea, Republic of	7	0.4%
20	Switzerland	6	0.4%
21	Ukraine	5	0.3%
22	Taiwan	5	0.3%
23	Israel	5	0.3%
24	Norway	4	0.2%
25	Philippines	4	0.2%
26	Malaysia	4	0.2%
27	Turkey	4	0.2%
28	Saudi Arabia	4	0.2%
29	Sweden	3	0.2%
30	Mexico	3	0.2%
31	Italy	3	0.2%
32	Indonesia	3	0.2%
33	Bangladesh	3	0.2%
34	Argentina	3	0.2%
35	Belgium	2	0.1%
36	Egypt	2	0.1%
37	Ethiopia	2	0.1%
38	Finland	2	0.1%
39	Libya	2	0.1%
40	Russia	2	0.1%
41	Syrian Arab Republic	2	0.1%
42	South Africa	2	0.1%
43	Sri Lanka	1	0.1%
44	Slovakia	1	0.1%
45	Viet Nam	1	0.1%
46	Zimbabwe	1	0.1%
47	Pakistan	1	0.1%
48	Kuwait	1	0.1%
49	Hungary	1	0.1%
50	Czech Republic	1	0.1%
51	Austria	1	0.1%