Rank	Countries/Territories	Count	Percent
1	United States	288	32.8%
2	China	277	31.5%
3	Germany	99	11.3%
4	Canada	42	4.8%
5		30	3.4%
6	France	27	3.1%
7	Japan	12	1.4%
8	Netherlands	12	1.4%
9	Singapore	10	1.1%
10	Iran, Islamic Republic of	10	1.1%
11	Norway	8	0.9%
12	Taiwan	6	0.7%
13	India	6	0.7%
14	Jamaica	5	0.6%
15	United Kingdom	5	0.6%
16	South Africa	4	0.5%
17	Russia	4	0.5%
18	Ireland	4	0.5%
19	Australia	4	0.5%
20	Cyprus	4	0.5%
21	Egypt	3	0.3%
22	Croatia	2	0.2%
23	Brazil	2	0.2%
24	Korea, Republic of	2	0.2%
25	Serbia	2	0.2%
26	Poland	2	0.2%
27	Turkey	2	0.2%
28	Ukraine	1	0.1%
29	Puerto Rico	1	0.1%
30	Peru	1	0.1%
31	Switzerland	1	0.1%
32	Malaysia	1	0.1%
33	Hong Kong	1	0.1%
34	Belgium	1	0.1%