Rank	Countries/Territories	Count	Percent
1	United States	463	45.3%
2	China	305	29.8%
3	Germany	87	8.5%
4	Canada	28	2.7%
5	Netherlands	26	2.5%
6	France	22	2.2%
7		15	1.5%
8	Australia	10	1%
9	Egypt	9	0.9%
10	Ireland	8	0.8%
11	India	7	0.7%
12	United Kingdom	7	0.7%
13	Taiwan	5	0.5%
14	Spain	3	0.3%
15	Singapore	3	0.3%
16	Italy	3	0.3%
17	Cyprus	3	0.3%
18	Ecuador	2	0.2%
19	Ethiopia	2	0.2%
20	Georgia	2	0.2%
21	Morocco	2	0.2%
22	Indonesia	2	0.2%
23	Philippines	2	0.2%
24	Sweden	2	0.2%
25	Ukraine	1	0.1%
26	Saudi Arabia	1	0.1%
27	Slovakia	1	0.1%
28	Israel	1	0.1%
29	Korea, Republic of	1	0.1%