Rank	Countries/Territories	Count	Percent
1	United States	319	37.8%
2	China	187	22.2%
3	Germany	87	10.3%
4	France	28	3.3%
5	Canada	19	2.3%
6	Russia	18	2.1%
7	Saudi Arabia	16	1.9%
8	Australia	15	1.8%
9	Japan	12	1.4%
10	Indonesia	12	1.4%
11	Netherlands	11	1.3%
12	Iran, Islamic Republic of	10	1.2%
13	Hong Kong	10	1.2%
14	Hungary	10	1.2%
15	India	10	1.2%
16	Spain	9	1.1%
17	United Kingdom	8	0.9%
18	Viet Nam	7	0.8%
19	Korea, Republic of	6	0.7%
20	Ethiopia	6	0.7%
21	Cote D'ivoire	6	0.7%
22	Cyprus	5	0.6%
23	Malaysia	4	0.5%
24	Singapore	4	0.5%
25	Philippines	3	0.4%
26	Nepal	3	0.4%
27	Belgium	3	0.4%
28	Ecuador	2	0.2%
29	Pakistan	2	0.2%
30	Nigeria	2	0.2%
31	Slovakia	2	0.2%
32	Sweden	1	0.1%
33	Switzerland	1	0.1%
34	Turkey	1	0.1%
35	Norway	1	0.1%
36	Ireland	1	0.1%
37	Poland	1	0.1%
38	Zambia	1	0.1%