Rank	Countries/Territories	Count	Percent
1	United States	268	42.9%
2	China	161	25.8%
3	Germany	45	7.2%
4	Canada	24	3.8%
5	Japan	19	3%
6	France	10	1.6%
7	United Kingdom	9	1.4%
8	Singapore	8	1.3%
9	Korea, Republic of	8	1.3%
10	India	8	1.3%
11	Cyprus	6	1%
12	Libya	6	1%
13	Saudi Arabia	6	1%
14	Romania	4	0.6%
15	Russia	3	0.5%
16	Netherlands	3	0.5%
17	Bangladesh	3	0.5%
18	Iraq	3	0.5%
19	Ireland	2	0.3%
20	Israel	2	0.3%
21	Brazil	2	0.3%
22	Algeria	2	0.3%
23	Australia	2	0.3%
24	Czech Republic	2	0.3%
25	Colombia	2	0.3%
26	Norway	2	0.3%
27	Panama	2	0.3%
28	Malaysia	2	0.3%
29	Taiwan	2	0.3%
30	Viet Nam	2	0.3%
31	Thailand	1	0.2%
32	Switzerland	1	0.2%
33	Mexico	1	0.2%
34	Peru	1	0.2%
35	Ethiopia	1	0.2%
36	Italy	1	0.2%
37	Greece	1	0.2%