Rank	Countries/Territories	Count	Percent
1	United States	491	50.8%
2	China	206	21.3%
3	Germany	101	10.4%
4	India	19	2%
5	Netherlands	17	1.8%
6	France	14	1.4%
7	Ireland	10	1%
8	Singapore	10	1%
9	United Kingdom	9	0.9%
10	Japan	9	0.9%
11	Korea, Republic of	9	0.9%
12	Canada	7	0.7%
13	New Zealand	7	0.7%
14	Australia	6	0.6%
15	Philippines	5	0.5%
16	Turkey	5	0.5%
17	Taiwan	4	0.4%
18	Portugal	4	0.4%
19	Argentina	4	0.4%
20	Egypt	4	0.4%
21	Iran, Islamic Republic of	3	0.3%
22	Serbia	2	0.2%
23	Pakistan	2	0.2%
24	Russia	2	0.2%
25	Tanzania, United Republic of	2	0.2%
26	Cyprus	2	0.2%
27	Bangladesh	2	0.2%
28	Mongolia	2	0.2%
29	Indonesia	1	0.1%
30	Greece	1	0.1%
31	Hong Kong	1	0.1%
32	Belgium	1	0.1%
33	Thailand	1	0.1%
34	Spain	1	0.1%
35	Sudan	1	0.1%
36	United Arab Emirates	1	0.1%
37	Samoa	1	0.1%