Rank	Countries/Territories	Count	Percent
1	United States	320	38.8%
2	China	178	21.6%
3	Germany	83	10.1%
4		28	3.4%
5	Australia	20	2.4%
6	Greece	20	2.4%
7	United Kingdom	20	2.4%
8	Netherlands	19	2.3%
9	Japan	16	1.9%
10	Singapore	12	1.5%
11	Spain	12	1.5%
12	Canada	12	1.5%
13	Jordan	7	0.8%
14	Czech Republic	6	0.7%
15	Ethiopia	5	0.6%
16	France	5	0.6%
17	India	5	0.6%
18	Romania	5	0.6%
19	Israel	4	0.5%
20	Mexico	4	0.5%
21	Cyprus	4	0.5%
22	Bangladesh	3	0.4%
23	Korea, Republic of	3	0.4%
24	Russia	3	0.4%
25	Slovenia	3	0.4%
26	Saudi Arabia	2	0.2%
27	Thailand	2	0.2%
28	Ukraine	2	0.2%
29	Mongolia	2	0.2%
30	New Zealand	2	0.2%
31	Pakistan	2	0.2%
32	Philippines	2	0.2%
33	Iran, Islamic Republic of	2	0.2%
34	Ireland	2	0.2%
35	Viet Nam	2	0.2%
36	Zambia	2	0.2%
37	Lithuania	1	0.1%
38	Bulgaria	1	0.1%
39	Argentina	1	0.1%
40	Nepal	1	0.1%
41	Italy	1	0.1%
42	Sweden	1	0.1%