Rank	Countries/Territories	Count	Percent
1	United States	640	38.8%
2	China	581	35.3%
3	Germany	148	9%
4	Hungary	47	2.9%
5	India	30	1.8%
6	Japan	30	1.8%
7	Korea, Republic of	28	1.7%
8	Netherlands	25	1.5%
9	Hong Kong	16	1%
10	Canada	15	0.9%
11	Czech Republic	11	0.7%
12	France	8	0.5%
13	Cyprus	6	0.4%
14	Iran, Islamic Republic of	6	0.4%
15	Ireland	6	0.4%
16	Taiwan	4	0.2%
17	Tunisia	4	0.2%
18	Australia	4	0.2%
19	United Kingdom	4	0.2%
20	Chile	3	0.2%
21	Turkey	3	0.2%
22	South Africa	3	0.2%
23	Sweden	2	0.1%
24	Russia	2	0.1%
25	Thailand	2	0.1%
26	Lithuania	2	0.1%
27	Mexico	2	0.1%
28	Morocco	2	0.1%
29	Brazil	2	0.1%
30	Egypt	2	0.1%
31	Viet Nam	2	0.1%
32	Finland	1	0.1%
33	Greece	1	0.1%
34	Indonesia	1	0.1%
35	Argentina	1	0.1%
36	Bangladesh	1	0.1%
37	Norway	1	0.1%
38	Romania	1	0.1%
39	Serbia	1	0.1%