Rank	Countries/Territories	Count	Percent
1	United States	551	51.3%
2	China	246	22.9%
3	Germany	82	7.6%
4	France	35	3.3%
5	Canada	18	1.7%
6	United Kingdom	16	1.5%
7	Netherlands	15	1.4%
8	Japan	13	1.2%
9	Singapore	13	1.2%
10	India	12	1.1%
11	Australia	9	0.8%
12	Iran, Islamic Republic of	7	0.7%
13	Italy	6	0.6%
14	Russia	5	0.5%
15	Cyprus	5	0.5%
16	Saudi Arabia	4	0.4%
17	Portugal	4	0.4%
18	Mauritius	3	0.3%
19	Thailand	3	0.3%
20	Turkey	3	0.3%
21	Belgium	3	0.3%
22	Hong Kong	3	0.3%
23	Argentina	2	0.2%
24	Ukraine	2	0.2%
25	Malaysia	2	0.2%
26	Kenya	2	0.2%
27	Korea, Republic of	1	0.1%
28	South Africa	1	0.1%
29	Switzerland	1	0.1%
30	Bangladesh	1	0.1%
31	Denmark	1	0.1%
32	Colombia	1	0.1%
33	Georgia	1	0.1%
34	Iraq	1	0.1%
35	Ireland	1	0.1%
36	Indonesia	1	0.1%