Rank	Countries/Territories	Count	Percent
1	United States	537	37.3%
2	China	321	22.3%
3	Germany	92	6.4%
4	Canada	54	3.8%
5	Jordan	52	3.6%
6	Japan	47	3.3%
7	Latvia	29	2%
8	France	28	1.9%
9	Netherlands	23	1.6%
10	Sweden	22	1.5%
11	Greece	21	1.5%
12	Italy	16	1.1%
13	Russia	16	1.1%
14	Switzerland	15	1%
15	United Kingdom	15	1%
16	Turkey	13	0.9%
17	Singapore	13	0.9%
18	Egypt	13	0.9%
19	Iran, Islamic Republic of	9	0.6%
20	Australia	8	0.6%
21	Argentina	7	0.5%
22	Belgium	7	0.5%
23	Cyprus	5	0.3%
24	Peru	5	0.3%
25	Poland	4	0.3%
26	Serbia	4	0.3%
27	Thailand	4	0.3%
28	Viet Nam	4	0.3%
29	Chile	4	0.3%
30	Angola	4	0.3%
31	Bangladesh	3	0.2%
32	India	3	0.2%
33	Indonesia	3	0.2%
34	Hong Kong	3	0.2%
35	Malaysia	3	0.2%
36	Romania	3	0.2%
37	Syrian Arab Republic	3	0.2%
38	Norway	3	0.2%
39	Spain	2	0.1%
40	Ukraine	2	0.1%
41	Hungary	2	0.1%
42	Ireland	2	0.1%
43	Estonia	2	0.1%
44	Bulgaria	2	0.1%
45	Denmark	1	0.1%
46	Ecuador	1	0.1%
47	Brazil	1	0.1%
48	Israel	1	0.1%
49	Mongolia	1	0.1%
50	Lithuania	1	0.1%
51	Korea, Republic of	1	0.1%
52	Taiwan	1	0.1%
53	Sri Lanka	1	0.1%
54	Portugal	1	0.1%