Rank	Countries/Territories	Count	Percent
1	United States	331	44.3%
2	China	212	28.3%
3	Germany	42	5.6%
4	Japan	25	3.3%
5	Netherlands	17	2.3%
6	Singapore	17	2.3%
7	Canada	10	1.3%
8	France	10	1.3%
9	Russia	9	1.2%
10	Taiwan	9	1.2%
11	Bangladesh	7	0.9%
12	Australia	6	0.8%
13	Cyprus	6	0.8%
14	Sweden	6	0.8%
15	Romania	4	0.5%
16	Ukraine	3	0.4%
17	United Kingdom	3	0.4%
18	Argentina	3	0.4%
19	India	3	0.4%
20	Ireland	3	0.4%
21	Iraq	2	0.3%
22	Hong Kong	2	0.3%
23	Czech Republic	2	0.3%
24	Colombia	2	0.3%
25	Pakistan	2	0.3%
26	Spain	2	0.3%
27	Korea, Republic of	2	0.3%
28	Mongolia	2	0.3%
29	Norway	1	0.1%
30	Turkey	1	0.1%
31	Cote D'ivoire	1	0.1%
32	Brazil	1	0.1%
33	Indonesia	1	0.1%
34	Iran, Islamic Republic of	1	0.1%