Rank	Countries/Territories	Count	Percent
1	United States	355	43.2%
2	China	209	25.4%
3	Germany	74	9%
4	Canada	19	2.3%
5	France	18	2.2%
6	Japan	17	2.1%
7	India	13	1.6%
8	Singapore	12	1.5%
9	Netherlands	10	1.2%
10	Thailand	10	1.2%
11	Turkey	7	0.9%
12	Australia	7	0.9%
13	Bangladesh	6	0.7%
14	Korea, Republic of	6	0.7%
15	Taiwan	6	0.7%
16	Ireland	5	0.6%
17	Argentina	5	0.6%
18	Colombia	5	0.6%
19	Cyprus	5	0.6%
20	Belgium	3	0.4%
21	Iran, Islamic Republic of	3	0.4%
22	Ukraine	3	0.4%
23	Norway	3	0.4%
24	Russia	3	0.4%
25	Saudi Arabia	2	0.2%
26	Philippines	2	0.2%
27	United Kingdom	2	0.2%
28	Malaysia	2	0.2%
29	Algeria	2	0.2%
30	Czech Republic	2	0.2%
31	Cuba	2	0.2%
32	Egypt	1	0.1%
33	Lebanon	1	0.1%
34	Sweden	1	0.1%
35	Switzerland	1	0.1%