Rank	Countries/Territories	Count	Percent
1	United States	298	35.6%
2	China	260	31.1%
3	Germany	49	5.9%
4	Canada	46	5.5%
5	France	34	4.1%
6	Japan	24	2.9%
7	India	17	2%
8	Netherlands	15	1.8%
9	Korea, Republic of	12	1.4%
10	Ireland	10	1.2%
11	Cyprus	9	1.1%
12	Taiwan	7	0.8%
13	Singapore	6	0.7%
14	Spain	6	0.7%
15	Russia	5	0.6%
16	Cuba	4	0.5%
17	Australia	4	0.5%
18	Italy	4	0.5%
19	Portugal	3	0.4%
20	Philippines	2	0.2%
21	Nicaragua	2	0.2%
22	Malaysia	2	0.2%
23	Viet Nam	2	0.2%
24	Ukraine	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Egypt	2	0.2%
27	Hong Kong	2	0.2%
28	Bangladesh	1	0.1%
29	Brazil	1	0.1%
30	Colombia	1	0.1%
31	Czech Republic	1	0.1%
32	Switzerland	1	0.1%
33	New Zealand	1	0.1%
34	Pakistan	1	0.1%