Rank	Countries/Territories	Count	Percent
1	United States	463	42.9%
2	China	317	29.4%
3	Germany	99	9.2%
4	France	23	2.1%
5	Russia	22	2%
6	Japan	17	1.6%
7	Kenya	16	1.5%
8	Italy	15	1.4%
9	India	13	1.2%
10	Canada	12	1.1%
11	United Kingdom	9	0.8%
12	Netherlands	8	0.7%
13	Mexico	7	0.6%
14	Singapore	6	0.6%
15	Cyprus	6	0.6%
16	Egypt	6	0.6%
17	Hong Kong	5	0.5%
18	Korea, Republic of	5	0.5%
19	Australia	4	0.4%
20	Ethiopia	3	0.3%
21	Ireland	3	0.3%
22	Lao People's Democratic Republic	3	0.3%
23	Romania	2	0.2%
24	Ukraine	2	0.2%
25	Sweden	2	0.2%
26	Switzerland	2	0.2%
27	Indonesia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Czech Republic	1	0.1%
30	Brazil	1	0.1%
31	Colombia	1	0.1%
32	Turkey	1	0.1%
33	Spain	1	0.1%