Rank	Countries/Territories	Count	Percent
1	United States	538	43.3%
2	China	330	26.6%
3	Germany	166	13.4%
4	France	24	1.9%
5	Mexico	19	1.5%
6	Ireland	16	1.3%
7	Netherlands	16	1.3%
8	Canada	14	1.1%
9	Japan	13	1%
10	India	11	0.9%
11	Russia	9	0.7%
12	Brazil	9	0.7%
13	Australia	6	0.5%
14	Cyprus	5	0.4%
15	Korea, Republic of	5	0.4%
16	United Kingdom	5	0.4%
17	Philippines	4	0.3%
18	Taiwan	4	0.3%
19	Singapore	4	0.3%
20	South Africa	4	0.3%
21	Spain	4	0.3%
22	Indonesia	3	0.2%
23	Argentina	3	0.2%
24	Hungary	3	0.2%
25	Hong Kong	2	0.2%
26	Bangladesh	2	0.2%
27	Egypt	2	0.2%
28	Croatia	2	0.2%
29	Iran, Islamic Republic of	2	0.2%
30	Mongolia	2	0.2%
31	Morocco	2	0.2%
32	Switzerland	2	0.2%
33	Turkey	2	0.2%
34	Ukraine	2	0.2%
35	Slovakia	1	0.1%
36	Saudi Arabia	1	0.1%
37	New Zealand	1	0.1%
38	Mauritius	1	0.1%
39	Iceland	1	0.1%
40	Georgia	1	0.1%
41	Ghana	1	0.1%