Rank	Countries/Territories	Count	Percent
1	United States	611	36.2%
2	China	532	31.5%
3	Germany	148	8.8%
4		53	3.1%
5	Australia	47	2.8%
6	Japan	33	2%
7	France	25	1.5%
8	Iran, Islamic Republic of	23	1.4%
9	India	21	1.2%
10	Spain	19	1.1%
11	United Kingdom	18	1.1%
12	Singapore	13	0.8%
13	Taiwan	10	0.6%
14	Netherlands	10	0.6%
15	Canada	10	0.6%
16	Colombia	10	0.6%
17	Korea, Republic of	9	0.5%
18	Ireland	8	0.5%
19	Denmark	7	0.4%
20	Norway	6	0.4%
21	Turkey	6	0.4%
22	New Zealand	5	0.3%
23	Brazil	5	0.3%
24	Hong Kong	5	0.3%
25	Cyprus	5	0.3%
26	Chile	4	0.2%
27	Mongolia	4	0.2%
28	Malaysia	3	0.2%
29	Mexico	3	0.2%
30	Sweden	3	0.2%
31	Romania	3	0.2%
32	Saudi Arabia	3	0.2%
33	Russia	2	0.1%
34	Slovenia	2	0.1%
35	Ukraine	2	0.1%
36	Latvia	2	0.1%
37	Egypt	2	0.1%
38	Hungary	2	0.1%
39	Bangladesh	2	0.1%
40	Belgium	2	0.1%
41	Argentina	2	0.1%
42	Czech Republic	1	0.1%
43	Finland	1	0.1%
44	Lithuania	1	0.1%
45	Indonesia	1	0.1%
46	Namibia	1	0.1%
47	Pakistan	1	0.1%
48	Peru	1	0.1%