Rank	Countries/Territories	Count	Percent
1	United States	175	34.1%
2	China	112	21.8%
3	Germany	56	10.9%
4	Canada	35	6.8%
5	Japan	21	4.1%
6	Korea, Republic of	14	2.7%
7	Romania	11	2.1%
8	Netherlands	10	1.9%
9	Singapore	9	1.8%
10	Australia	9	1.8%
11	France	7	1.4%
12	Jordan	5	1%
13	Latvia	4	0.8%
14	Bulgaria	4	0.8%
15	South Africa	4	0.8%
16	Turkey	4	0.8%
17	Taiwan	3	0.6%
18	United Kingdom	3	0.6%
19	Poland	3	0.6%
20	Cyprus	3	0.6%
21	Kenya	2	0.4%
22	India	2	0.4%
23	Portugal	2	0.4%
24	Philippines	2	0.4%
25	Viet Nam	2	0.4%
26	Ukraine	1	0.2%
27	Sweden	1	0.2%
28	Pakistan	1	0.2%
29	Saudi Arabia	1	0.2%
30	Indonesia	1	0.2%
31	Greece	1	0.2%
32	Honduras	1	0.2%
33	Mauritius	1	0.2%
34	Cote D'ivoire	1	0.2%
35	Argentina	1	0.2%
36	Bangladesh	1	0.2%