Rank	Countries/Territories	Count	Percent
1	United States	519	43.1%
2	China	262	21.8%
3	Germany	123	10.2%
4	Korea, Republic of	46	3.8%
5	France	35	2.9%
6	India	34	2.8%
7	Netherlands	25	2.1%
8	Japan	16	1.3%
9	Ireland	15	1.2%
10	Canada	14	1.2%
11	Ukraine	12	1%
12	Cyprus	11	0.9%
13	Iran, Islamic Republic of	9	0.7%
14	Turkey	7	0.6%
15	United Kingdom	7	0.6%
16	Hong Kong	6	0.5%
17	Australia	5	0.4%
18	Bulgaria	5	0.4%
19	Italy	4	0.3%
20	Romania	4	0.3%
21	Russia	4	0.3%
22	Singapore	3	0.2%
23	Malaysia	3	0.2%
24	Indonesia	3	0.2%
25	Thailand	3	0.2%
26	United Arab Emirates	2	0.2%
27	Viet Nam	2	0.2%
28	Ethiopia	2	0.2%
29	Ghana	2	0.2%
30	Costa Rica	2	0.2%
31	Curacao	2	0.2%
32	Iraq	2	0.2%
33	Spain	2	0.2%
34	Saudi Arabia	2	0.2%
35	Nigeria	2	0.2%
36	Sri Lanka	1	0.1%
37	Switzerland	1	0.1%
38	Slovenia	1	0.1%
39	Mongolia	1	0.1%
40	Lebanon	1	0.1%
41	Denmark	1	0.1%
42	Colombia	1	0.1%
43	Greece	1	0.1%