Rank	Countries/Territories	Count	Percent
1	United States	433	39.9%
2	China	282	26%
3	Germany	103	9.5%
4	Canada	28	2.6%
5	Japan	19	1.8%
6	Singapore	17	1.6%
7	Netherlands	16	1.5%
8	Poland	15	1.4%
9	Kenya	15	1.4%
10	India	14	1.3%
11	Bulgaria	12	1.1%
12	Australia	12	1.1%
13	United Kingdom	10	0.9%
14	Thailand	9	0.8%
15	Viet Nam	8	0.7%
16	Ireland	8	0.7%
17	Lithuania	7	0.6%
18	Indonesia	7	0.6%
19	Korea, Republic of	6	0.6%
20	France	5	0.5%
21	Bangladesh	5	0.5%
22	Malaysia	4	0.4%
23	Iceland	4	0.4%
24	Russia	4	0.4%
25	Ukraine	3	0.3%
26	South Africa	3	0.3%
27	Norway	3	0.3%
28	Austria	3	0.3%
29	Cyprus	3	0.3%
30	Iran, Islamic Republic of	2	0.2%
31	Greece	2	0.2%
32	Albania	2	0.2%
33	Philippines	2	0.2%
34	Romania	2	0.2%
35	Slovakia	2	0.2%
36	Morocco	2	0.2%
37	Sri Lanka	2	0.2%
38	Sweden	2	0.2%
39	Turkey	2	0.2%
40	Mauritius	1	0.1%
41	Italy	1	0.1%
42	Nigeria	1	0.1%
43	Argentina	1	0.1%
44	Croatia	1	0.1%
45	Czech Republic	1	0.1%