Rank	Countries/Territories	Count	Percent
1	United States	495	48.4%
2	China	226	22.1%
3	Germany	115	11.2%
4	Netherlands	20	2%
5	India	19	1.9%
6	Japan	15	1.5%
7	France	14	1.4%
8	Ireland	10	1%
9	Singapore	10	1%
10	Korea, Republic of	9	0.9%
11	United Kingdom	9	0.9%
12	Canada	7	0.7%
13	New Zealand	7	0.7%
14	Australia	6	0.6%
15	Norway	5	0.5%
16	Philippines	5	0.5%
17	Turkey	5	0.5%
18	Taiwan	4	0.4%
19	Portugal	4	0.4%
20	Argentina	4	0.4%
21	Egypt	4	0.4%
22	Mongolia	4	0.4%
23	Iran, Islamic Republic of	3	0.3%
24	Serbia	2	0.2%
25	Tanzania, United Republic of	2	0.2%
26	Russia	2	0.2%
27	Pakistan	2	0.2%
28	Italy	2	0.2%
29	Cyprus	2	0.2%
30	Bangladesh	2	0.2%
31	Belgium	1	0.1%
32	Indonesia	1	0.1%
33	Greece	1	0.1%
34	Hong Kong	1	0.1%
35	Samoa	1	0.1%
36	Thailand	1	0.1%
37	United Arab Emirates	1	0.1%
38	Spain	1	0.1%
39	Sudan	1	0.1%