Rank	Countries/Territories	Count	Percent
1	United States	539	41.2%
2	China	162	12.4%
3	Germany	135	10.3%
4	Russia	59	4.5%
5	Japan	42	3.2%
6	Ireland	37	2.8%
7	Canada	36	2.8%
8	Mexico	35	2.7%
9	Netherlands	27	2.1%
10	France	25	1.9%
11	India	20	1.5%
12	Viet Nam	20	1.5%
13	United Kingdom	13	1%
14	Ukraine	12	0.9%
15	Australia	12	0.9%
16	Brazil	11	0.8%
17	Thailand	11	0.8%
18	Cyprus	10	0.8%
19	Italy	9	0.7%
20	Poland	9	0.7%
21	Turkey	8	0.6%
22	Taiwan	8	0.6%
23	Spain	7	0.5%
24	Singapore	6	0.5%
25	Austria	5	0.4%
26	Chile	4	0.3%
27	Greece	4	0.3%
28	Hong Kong	4	0.3%
29	Qatar	4	0.3%
30	Norway	4	0.3%
31	Korea, Republic of	3	0.2%
32	Ecuador	3	0.2%
33	Egypt	3	0.2%
34	Colombia	2	0.2%
35	Argentina	2	0.2%
36	Iran, Islamic Republic of	2	0.2%
37	Romania	2	0.2%
38	Portugal	2	0.2%
39	United Arab Emirates	2	0.2%
40	Venezuela, Bolivarian Republic of	1	0.1%
41	South Africa	1	0.1%
42	Saudi Arabia	1	0.1%
43	Philippines	1	0.1%
44	Myanmar	1	0.1%
45	Lebanon	1	0.1%
46	Malaysia	1	0.1%
47	Costa Rica	1	0.1%
48	Finland	1	0.1%
49	Indonesia	1	0.1%