Rank	Countries/Territories	Count	Percent
1	United States	527	46.4%
2	China	316	27.8%
3	Germany	99	8.7%
4	Japan	35	3.1%
5	France	32	2.8%
6	Netherlands	23	2%
7		13	1.1%
8	India	12	1.1%
9	Norway	11	1%
10	Singapore	11	1%
11	Russia	7	0.6%
12	Malaysia	5	0.4%
13	Argentina	4	0.4%
14	Australia	4	0.4%
15	Cyprus	4	0.4%
16	Cuba	3	0.3%
17	Belgium	3	0.3%
18	Iran, Islamic Republic of	3	0.3%
19	Ireland	3	0.3%
20	Italy	2	0.2%
21	Korea, Republic of	2	0.2%
22	Canada	2	0.2%
23	Mauritius	2	0.2%
24	Poland	2	0.2%
25	Taiwan	2	0.2%
26	United Kingdom	2	0.2%
27	Switzerland	1	0.1%
28	Romania	1	0.1%
29	Mongolia	1	0.1%
30	New Zealand	1	0.1%
31	Egypt	1	0.1%
32	Hong Kong	1	0.1%