Rank	Countries/Territories	Count	Percent
1	United States	423	34.4%
2	China	355	28.9%
3	Germany	81	6.6%
4	Australia	60	4.9%
5	Russia	47	3.8%
6	United Kingdom	32	2.6%
7	Switzerland	30	2.4%
8	Canada	21	1.7%
9	Colombia	21	1.7%
10	France	15	1.2%
11	India	15	1.2%
12	Brazil	14	1.1%
13	Japan	12	1%
14	Singapore	12	1%
15	Netherlands	9	0.7%
16	Mexico	6	0.5%
17	Ireland	6	0.5%
18	Cyprus	6	0.5%
19	Argentina	5	0.4%
20	Spain	5	0.4%
21	Thailand	5	0.4%
22	Portugal	4	0.3%
23	Romania	3	0.2%
24	Sweden	3	0.2%
25	New Zealand	3	0.2%
26	Belgium	3	0.2%
27	Czech Republic	3	0.2%
28	Denmark	3	0.2%
29	Hong Kong	3	0.2%
30	Turkey	3	0.2%
31	Poland	3	0.2%
32	Ukraine	2	0.2%
33	Greece	2	0.2%
34	Aruba	2	0.2%
35	Chile	2	0.2%
36	Italy	2	0.2%
37	Taiwan	2	0.2%
38	Saudi Arabia	2	0.2%
39	Iran, Islamic Republic of	1	0.1%
40	Norway	1	0.1%
41	Mongolia	1	0.1%
42		1	0.1%
43	Ecuador	1	0.1%