Rank	Countries/Territories	Count	Percent
1	United States	515	49.6%
2	China	240	23.1%
3	Germany	119	11.5%
4	Japan	21	2%
5	India	12	1.2%
6	Switzerland	12	1.2%
7	Netherlands	11	1.1%
8	Ireland	11	1.1%
9	Singapore	11	1.1%
10	Korea, Republic of	10	1%
11	Cyprus	8	0.8%
12	France	7	0.7%
13		6	0.6%
14	Hong Kong	6	0.6%
15	Taiwan	5	0.5%
16	Chile	4	0.4%
17	Malaysia	4	0.4%
18	Australia	4	0.4%
19	Sweden	3	0.3%
20	Ukraine	3	0.3%
21	United Kingdom	3	0.3%
22	Spain	2	0.2%
23	Israel	2	0.2%
24	Italy	2	0.2%
25	Brazil	2	0.2%
26	Canada	2	0.2%
27	Argentina	2	0.2%
28	Egypt	2	0.2%
29	Mexico	2	0.2%
30	Mongolia	2	0.2%
31	Iran, Islamic Republic of	1	0.1%
32	Georgia	1	0.1%
33	Norway	1	0.1%
34	Romania	1	0.1%
35	Russia	1	0.1%