Rank	Countries/Territories	Count	Percent
1	United States	333	45.4%
2	China	99	13.5%
3	Germany	59	8%
4	Russia	37	5%
5	Japan	21	2.9%
6	India	19	2.6%
7	Hong Kong	15	2%
8	United Kingdom	12	1.6%
9	Malaysia	11	1.5%
10	Netherlands	10	1.4%
11	Singapore	9	1.2%
12	Sweden	9	1.2%
13	Ireland	9	1.2%
14	Italy	5	0.7%
15	Portugal	5	0.7%
16	France	5	0.7%
17	Canada	5	0.7%
18	Taiwan	5	0.7%
19	Spain	4	0.5%
20	Bangladesh	4	0.5%
21	Belgium	4	0.5%
22	Australia	4	0.5%
23	Indonesia	4	0.5%
24	Korea, Republic of	4	0.5%
25	Luxembourg	3	0.4%
26	South Africa	3	0.4%
27	Argentina	3	0.4%
28	Egypt	3	0.4%
29	Cyprus	3	0.4%
30	Greece	3	0.4%
31	Turkey	3	0.4%
32	Ukraine	2	0.3%
33	United Arab Emirates	2	0.3%
34	Thailand	2	0.3%
35	Czech Republic	2	0.3%
36	Romania	2	0.3%
37	Norway	2	0.3%
38	Poland	1	0.1%
39	Switzerland	1	0.1%
40	Mongolia	1	0.1%
41	Morocco	1	0.1%
42	Iran, Islamic Republic of	1	0.1%
43	Albania	1	0.1%
44	Austria	1	0.1%
45	Colombia	1	0.1%
46	Viet Nam	1	0.1%