Rank	Countries/Territories	Count	Percent
1	United States	578	38.4%
2	China	378	25.1%
3	Germany	145	9.6%
4	India	97	6.4%
5	United Kingdom	40	2.7%
6	Japan	34	2.3%
7	Canada	28	1.9%
8	Netherlands	24	1.6%
9	Hong Kong	24	1.6%
10	Australia	18	1.2%
11	Ireland	13	0.9%
12	Korea, Republic of	13	0.9%
13	Cyprus	9	0.6%
14	Iran, Islamic Republic of	8	0.5%
15	Brazil	7	0.5%
16	Argentina	6	0.4%
17	Ukraine	6	0.4%
18	Senegal	6	0.4%
19	Singapore	5	0.3%
20	Lithuania	5	0.3%
21	Belgium	5	0.3%
22	Costa Rica	4	0.3%
23	France	4	0.3%
24	Latvia	4	0.3%
25	New Zealand	3	0.2%
26	Nigeria	3	0.2%
27	Poland	3	0.2%
28	Portugal	3	0.2%
29	Russia	3	0.2%
30	Romania	2	0.1%
31	Taiwan	2	0.1%
32	Thailand	2	0.1%
33	Libya	2	0.1%
34	Indonesia	2	0.1%
35	Albania	2	0.1%
36	Austria	1	0.1%
37	Colombia	1	0.1%
38	Congo, The Democratic Republic of The	1	0.1%
39	Greece	1	0.1%
40	Denmark	1	0.1%
41	Egypt	1	0.1%
42	Ethiopia	1	0.1%
43	Hungary	1	0.1%
44	Iraq	1	0.1%
45	Jordan	1	0.1%
46	Norway	1	0.1%
47	Philippines	1	0.1%
48	Viet Nam	1	0.1%
49	Zimbabwe	1	0.1%
50	Puerto Rico	1	0.1%
51	Moldova, Republic of	1	0.1%
52	Slovenia	1	0.1%
53	South Africa	1	0.1%
54	Switzerland	1	0.1%