Rank	Countries/Territories	Count	Percent
1	United States	511	38.6%
2	China	297	22.4%
3	Germany	66	5%
4	Japan	63	4.8%
5	Hungary	46	3.5%
6	Turkey	28	2.1%
7	Singapore	27	2%
8	India	23	1.7%
9	United Kingdom	21	1.6%
10	Australia	20	1.5%
11	Netherlands	19	1.4%
12	Canada	18	1.4%
13	France	17	1.3%
14	Russia	16	1.2%
15	Viet Nam	13	1%
16	Poland	12	0.9%
17	Brazil	12	0.9%
18	Cyprus	9	0.7%
19	Malaysia	9	0.7%
20	Qatar	8	0.6%
21	Italy	8	0.6%
22	Norway	7	0.5%
23	Iran, Islamic Republic of	6	0.5%
24	Austria	6	0.5%
25	Taiwan	6	0.5%
26	Ireland	5	0.4%
27	Malta	5	0.4%
28	Switzerland	4	0.3%
29	Tunisia	3	0.2%
30	Ukraine	3	0.2%
31	Mexico	3	0.2%
32	Belgium	3	0.2%
33	Argentina	2	0.2%
34	Finland	2	0.2%
35	Israel	2	0.2%
36	New Zealand	2	0.2%
37	Latvia	2	0.2%
38	Romania	2	0.2%
39	United Arab Emirates	2	0.2%
40	Philippines	2	0.2%
41	Sweden	2	0.2%
42	Thailand	1	0.1%
43	Yemen	1	0.1%
44	Pakistan	1	0.1%
45	Saudi Arabia	1	0.1%
46	South Africa	1	0.1%
47	Sri Lanka	1	0.1%
48	Liechtenstein	1	0.1%
49	Nigeria	1	0.1%
50	Mongolia	1	0.1%
51	Hong Kong	1	0.1%
52	Algeria	1	0.1%