Rank	Countries/Territories	Count	Percent
1	United States	419	42.2%
2	China	199	20.1%
3	Germany	133	13.4%
4	India	25	2.5%
5	Canada	23	2.3%
6	Japan	20	2%
7	Ireland	16	1.6%
8	Kenya	15	1.5%
9	Korea, Republic of	12	1.2%
10	Thailand	12	1.2%
11	Singapore	11	1.1%
12	Australia	11	1.1%
13	France	10	1%
14	Netherlands	7	0.7%
15	United Kingdom	7	0.7%
16	Philippines	6	0.6%
17	Indonesia	6	0.6%
18	Albania	5	0.5%
19	Cyprus	5	0.5%
20	Hong Kong	4	0.4%
21	Russia	4	0.4%
22	Switzerland	4	0.4%
23	Viet Nam	3	0.3%
24	Saudi Arabia	3	0.3%
25	Israel	3	0.3%
26	Iran, Islamic Republic of	3	0.3%
27	Czech Republic	2	0.2%
28	Chile	2	0.2%
29	Lithuania	2	0.2%
30	Latvia	2	0.2%
31	Portugal	2	0.2%
32	Virgin Islands, British	2	0.2%
33	Sweden	2	0.2%
34	Taiwan	2	0.2%
35	Tanzania, United Republic of	2	0.2%
36	Norway	1	0.1%
37	South Africa	1	0.1%
38	Libya	1	0.1%
39	Malaysia	1	0.1%
40	Denmark	1	0.1%
41	Egypt	1	0.1%
42	Greece	1	0.1%
43	Croatia	1	0.1%