Rank	Countries/Territories	Count	Percent
1	United States	476	36.6%
2	China	343	26.4%
3	Germany	144	11.1%
4	Hong Kong	37	2.8%
5	France	29	2.2%
6	Japan	22	1.7%
7	Brazil	19	1.5%
8	United Kingdom	19	1.5%
9	Canada	18	1.4%
10	Netherlands	18	1.4%
11	Norway	15	1.2%
12	Korea, Republic of	15	1.2%
13	Australia	15	1.2%
14	Romania	13	1%
15	Singapore	12	0.9%
16	India	11	0.8%
17	Belgium	9	0.7%
18	Switzerland	8	0.6%
19	Turkey	8	0.6%
20	Poland	7	0.5%
21	Thailand	6	0.5%
22	Russia	5	0.4%
23	Cyprus	5	0.4%
24	Bulgaria	4	0.3%
25	Spain	4	0.3%
26	Taiwan	3	0.2%
27	Viet Nam	3	0.2%
28	Argentina	3	0.2%
29	Denmark	3	0.2%
30	Ireland	3	0.2%
31	Mexico	3	0.2%
32	Mongolia	2	0.2%
33	Israel	2	0.2%
34	Iran, Islamic Republic of	2	0.2%
35	Ghana	2	0.2%
36	United Arab Emirates	2	0.2%
37	Ukraine	1	0.1%
38	Sri Lanka	1	0.1%
39	Sweden	1	0.1%
40	Egypt	1	0.1%
41	Czech Republic	1	0.1%
42	Bangladesh	1	0.1%
43	Colombia	1	0.1%
44	Italy	1	0.1%
45	Jordan	1	0.1%
46	Slovakia	1	0.1%
47	Portugal	1	0.1%