Rank	Countries/Territories	Count	Percent
1	United States	912	52.9%
2	China	437	25.4%
3	Germany	126	7.3%
4	France	40	2.3%
5	Canada	30	1.7%
6	Japan	27	1.6%
7	Netherlands	17	1%
8	Singapore	13	0.8%
9		13	0.8%
10	India	12	0.7%
11	Korea, Republic of	11	0.6%
12	Russia	11	0.6%
13	Ukraine	9	0.5%
14	United Kingdom	8	0.5%
15	Cyprus	7	0.4%
16	Australia	6	0.3%
17	Taiwan	6	0.3%
18	Ireland	5	0.3%
19	Iran, Islamic Republic of	4	0.2%
20	Greece	4	0.2%
21	Hong Kong	4	0.2%
22	Brazil	4	0.2%
23	Switzerland	3	0.2%
24	Saudi Arabia	2	0.1%
25	South Africa	2	0.1%
26	Italy	2	0.1%
27	Malaysia	2	0.1%
28	Bulgaria	1	0.1%
29	Argentina	1	0.1%
30	Georgia	1	0.1%
31	Spain	1	0.1%
32	Slovakia	1	0.1%
33	Romania	1	0.1%