Rank	Countries/Territories	Count	Percent
1	United States	491	36.6%
2	China	443	33.1%
3	Germany	100	7.5%
4	France	52	3.9%
5	Canada	34	2.5%
6	Netherlands	25	1.9%
7	Ireland	20	1.5%
8	India	16	1.2%
9	Australia	15	1.1%
10	Japan	15	1.1%
11	Korea, Republic of	14	1%
12	Turkey	12	0.9%
13	Russia	11	0.8%
14	Italy	10	0.7%
15	United Kingdom	10	0.7%
16	Cyprus	9	0.7%
17	Romania	7	0.5%
18	Singapore	7	0.5%
19	Azerbaijan	6	0.4%
20	Argentina	5	0.4%
21	Malaysia	5	0.4%
22	Viet Nam	4	0.3%
23	Slovakia	3	0.2%
24	Portugal	3	0.2%
25	Palestine, State of	2	0.1%
26	Bangladesh	2	0.1%
27	Ecuador	2	0.1%
28	Syrian Arab Republic	2	0.1%
29	Taiwan	1	0.1%
30	Hong Kong	1	0.1%
31	Hungary	1	0.1%
32	Brazil	1	0.1%
33	Bulgaria	1	0.1%
34	Cote D'ivoire	1	0.1%
35	Philippines	1	0.1%
36	New Zealand	1	0.1%
37	Pakistan	1	0.1%
38	Mexico	1	0.1%
39	Morocco	1	0.1%
40	Rwanda	1	0.1%
41	Saudi Arabia	1	0.1%
42	Sweden	1	0.1%
43	Switzerland	1	0.1%