Rank	Countries/Territories	Count	Percent
1	United States	519	38.3%
2	China	490	36.2%
3	Germany	70	5.2%
4	Iran, Islamic Republic of	37	2.7%
5	Japan	29	2.1%
6	Canada	19	1.4%
7	Korea, Republic of	18	1.3%
8	Panama	15	1.1%
9	United Kingdom	15	1.1%
10	Taiwan	14	1%
11	India	12	0.9%
12	Hong Kong	11	0.8%
13	Singapore	10	0.7%
14	Turkey	9	0.7%
15	Indonesia	8	0.6%
16	Egypt	8	0.6%
17	Mexico	7	0.5%
18	Netherlands	6	0.4%
19	Macao	6	0.4%
20	Russia	6	0.4%
21	Portugal	5	0.4%
22	Argentina	4	0.3%
23	Romania	3	0.2%
24	United Arab Emirates	3	0.2%
25	Thailand	3	0.2%
26	Malaysia	3	0.2%
27	Latvia	3	0.2%
28	Pakistan	2	0.1%
29	Mongolia	2	0.1%
30	Spain	2	0.1%
31	France	2	0.1%
32	Cyprus	2	0.1%
33	Ireland	2	0.1%
34	Ecuador	2	0.1%
35	Greece	1	0.1%
36	Italy	1	0.1%
37	Czech Republic	1	0.1%
38	Australia	1	0.1%
39	Bangladesh	1	0.1%
40	Chile	1	0.1%
41	Sweden	1	0.1%