Rank	Countries/Territories	Count	Percent
1	United States	331	35.3%
2	China	304	32.4%
3	Germany	105	11.2%
4	Puerto Rico	24	2.6%
5	Canada	16	1.7%
6	India	14	1.5%
7	Italy	13	1.4%
8	France	12	1.3%
9	Switzerland	11	1.2%
10	Spain	10	1.1%
11	Japan	10	1.1%
12	Cyprus	7	0.7%
13	Ukraine	7	0.7%
14	Turkey	6	0.6%
15	Hong Kong	5	0.5%
16	Iran, Islamic Republic of	5	0.5%
17	Netherlands	4	0.4%
18	Poland	4	0.4%
19	Taiwan	4	0.4%
20	Saudi Arabia	3	0.3%
21	Singapore	3	0.3%
22	New Zealand	3	0.3%
23	Egypt	3	0.3%
24	Australia	3	0.3%
25	Philippines	3	0.3%
26	United Kingdom	2	0.2%
27	Viet Nam	2	0.2%
28	Austria	2	0.2%
29	Bulgaria	2	0.2%
30	Albania	2	0.2%
31	Estonia	2	0.2%
32	Norway	2	0.2%
33	Portugal	2	0.2%
34	Israel	2	0.2%
35	Malaysia	2	0.2%
36	Slovakia	2	0.2%
37	Romania	1	0.1%
38	Thailand	1	0.1%
39	Sri Lanka	1	0.1%
40	Ecuador	1	0.1%
41	Indonesia	1	0.1%
42	Korea, Republic of	1	0.1%
43	Kuwait	1	0.1%