Rank	Countries/Territories	Count	Percent
1	United States	529	39%
2	China	415	30.6%
3	Germany	152	11.2%
4	France	77	5.7%
5	Japan	28	2.1%
6		23	1.7%
7	Netherlands	21	1.5%
8	United Kingdom	14	1%
9	Singapore	12	0.9%
10	India	12	0.9%
11	Cyprus	9	0.7%
12	Korea, Republic of	8	0.6%
13	Russia	7	0.5%
14	South Africa	6	0.4%
15	Ireland	6	0.4%
16	Iran, Islamic Republic of	5	0.4%
17	Canada	4	0.3%
18	Ukraine	4	0.3%
19	Hong Kong	3	0.2%
20	Argentina	3	0.2%
21	Australia	2	0.1%
22	Egypt	2	0.1%
23	Italy	2	0.1%
24	Taiwan	2	0.1%
25	Latvia	2	0.1%
26	Lithuania	2	0.1%
27	Mauritius	1	0.1%
28	Mongolia	1	0.1%
29	Switzerland	1	0.1%
30	Viet Nam	1	0.1%
31	Finland	1	0.1%
32	Belgium	1	0.1%
33	Bulgaria	1	0.1%