Rank	Countries/Territories	Count	Percent
1	United States	507	44.2%
2	China	303	26.4%
3	Germany	116	10.1%
4	Japan	21	1.8%
5	Canada	20	1.7%
6	France	18	1.6%
7	India	16	1.4%
8	Singapore	15	1.3%
9	Netherlands	12	1%
10	Argentina	11	1%
11	Australia	11	1%
12	Thailand	10	0.9%
13	Korea, Republic of	8	0.7%
14	Bangladesh	7	0.6%
15	Turkey	7	0.6%
16	Taiwan	7	0.6%
17	Cyprus	6	0.5%
18	Ireland	5	0.4%
19	Colombia	5	0.4%
20	Ukraine	4	0.3%
21	Poland	4	0.3%
22	Portugal	4	0.3%
23	Russia	3	0.3%
24	Norway	3	0.3%
25	Belgium	3	0.3%
26	Iran, Islamic Republic of	3	0.3%
27	Czech Republic	2	0.2%
28	Cuba	2	0.2%
29	Algeria	2	0.2%
30	Malaysia	2	0.2%
31	Philippines	2	0.2%
32	Saudi Arabia	2	0.2%
33	United Kingdom	2	0.2%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%
36	Peru	1	0.1%
37	Egypt	1	0.1%
38	Lebanon	1	0.1%