Rank	Countries/Territories	Count	Percent
1	United States	628	41.3%
2	China	471	31%
3	Germany	141	9.3%
4	India	31	2%
5	Korea, Republic of	23	1.5%
6	Singapore	22	1.4%
7	Netherlands	18	1.2%
8	France	18	1.2%
9	Japan	18	1.2%
10	Hong Kong	17	1.1%
11	Canada	14	0.9%
12	Czech Republic	11	0.7%
13	Denmark	9	0.6%
14	Ireland	9	0.6%
15	Australia	8	0.5%
16	Hungary	7	0.5%
17	Cyprus	6	0.4%
18	Spain	6	0.4%
19	Russia	6	0.4%
20	United Arab Emirates	6	0.4%
21	Taiwan	6	0.4%
22	Thailand	4	0.3%
23	Moldova, Republic of	4	0.3%
24	Italy	3	0.2%
25	Norway	3	0.2%
26	Iran, Islamic Republic of	3	0.2%
27	United Kingdom	3	0.2%
28	Viet Nam	2	0.1%
29	Turkey	2	0.1%
30	Ukraine	2	0.1%
31	Iraq	2	0.1%
32	Indonesia	2	0.1%
33	Austria	2	0.1%
34	Portugal	2	0.1%
35	Romania	2	0.1%
36	Switzerland	2	0.1%
37	Slovakia	1	0.1%
38	Saudi Arabia	1	0.1%
39	New Zealand	1	0.1%
40	Belgium	1	0.1%
41	Croatia	1	0.1%
42	Egypt	1	0.1%
43	Greece	1	0.1%