Rank	Countries/Territories	Count	Percent
1	United States	526	44.7%
2	China	309	26.3%
3	Germany	116	9.9%
4	Japan	21	1.8%
5	Canada	20	1.7%
6	France	18	1.5%
7	India	16	1.4%
8	Singapore	16	1.4%
9	Netherlands	12	1%
10	Argentina	11	0.9%
11	Australia	11	0.9%
12	Thailand	10	0.8%
13	Korea, Republic of	8	0.7%
14	Bangladesh	7	0.6%
15	Colombia	7	0.6%
16	Turkey	7	0.6%
17	Taiwan	7	0.6%
18	Cyprus	6	0.5%
19	Ireland	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	United Kingdom	3	0.3%
26	Iran, Islamic Republic of	3	0.3%
27	Belgium	3	0.3%
28	Cuba	2	0.2%
29	Algeria	2	0.2%
30	Czech Republic	2	0.2%
31	Malaysia	2	0.2%
32	Philippines	2	0.2%
33	Saudi Arabia	2	0.2%
34	Peru	1	0.1%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Egypt	1	0.1%
38	Lebanon	1	0.1%