Rank	Countries/Territories	Count	Percent
1	United States	537	39.8%
2	China	314	23.3%
3	Germany	157	11.6%
4	France	90	6.7%
5	Japan	37	2.7%
6	Canada	24	1.8%
7	Netherlands	24	1.8%
8	Taiwan	21	1.6%
9	Cyprus	20	1.5%
10	India	19	1.4%
11	Australia	17	1.3%
12	Korea, Republic of	10	0.7%
13	Switzerland	7	0.5%
14	United Kingdom	7	0.5%
15	Singapore	6	0.4%
16	Ireland	6	0.4%
17	Norway	5	0.4%
18	Saudi Arabia	5	0.4%
19	South Africa	4	0.3%
20	Indonesia	4	0.3%
21	Argentina	4	0.3%
22	Hong Kong	3	0.2%
23	Romania	3	0.2%
24	Thailand	3	0.2%
25	Turkey	2	0.1%
26	Ukraine	2	0.1%
27	Russia	2	0.1%
28	Spain	2	0.1%
29	Sweden	2	0.1%
30	Philippines	2	0.1%
31	Iran, Islamic Republic of	2	0.1%
32	Israel	2	0.1%
33	Malaysia	2	0.1%
34	Austria	1	0.1%
35	Denmark	1	0.1%
36	Egypt	1	0.1%
37	Peru	1	0.1%