Rank	Countries/Territories	Count	Percent
1	United States	322	40%
2	China	165	20.5%
3	Germany	121	15%
4	India	22	2.7%
5	Canada	20	2.5%
6	Ireland	15	1.9%
7	Japan	14	1.7%
8	Kenya	12	1.5%
9	Singapore	11	1.4%
10	Australia	10	1.2%
11	France	9	1.1%
12	Korea, Republic of	9	1.1%
13	United Kingdom	6	0.7%
14	Thailand	5	0.6%
15	Indonesia	5	0.6%
16	Albania	5	0.6%
17	Cyprus	5	0.6%
18	Hong Kong	4	0.5%
19	Switzerland	4	0.5%
20	Philippines	4	0.5%
21	Netherlands	3	0.4%
22	Russia	3	0.4%
23	Saudi Arabia	3	0.4%
24	Israel	3	0.4%
25	Czech Republic	2	0.2%
26	Chile	2	0.2%
27	Taiwan	2	0.2%
28	Tanzania, United Republic of	2	0.2%
29	Sweden	2	0.2%
30	Portugal	2	0.2%
31	Latvia	2	0.2%
32	Viet Nam	2	0.2%
33	Virgin Islands, British	2	0.2%
34	Libya	1	0.1%
35	Malaysia	1	0.1%
36	Norway	1	0.1%
37	South Africa	1	0.1%
38	Denmark	1	0.1%
39	Egypt	1	0.1%
40	Greece	1	0.1%