Rank	Countries/Territories	Count	Percent
1	United States	490	33.6%
2	China	469	32.2%
3	Germany	159	10.9%
4	Japan	104	7.1%
5	France	56	3.8%
6		40	2.7%
7	Singapore	27	1.9%
8	Canada	18	1.2%
9	Netherlands	16	1.1%
10	Taiwan	8	0.5%
11	Cyprus	8	0.5%
12	Australia	7	0.5%
13	Poland	6	0.4%
14	Korea, Republic of	6	0.4%
15	India	5	0.3%
16	Russia	4	0.3%
17	Ukraine	3	0.2%
18	Iran, Islamic Republic of	3	0.2%
19	Hong Kong	3	0.2%
20	Argentina	3	0.2%
21	Brazil	2	0.1%
22	Egypt	2	0.1%
23	Ireland	2	0.1%
24	United Kingdom	2	0.1%
25	Romania	2	0.1%
26	Norway	2	0.1%
27	Peru	2	0.1%
28	Morocco	2	0.1%
29	Latvia	1	0.1%
30	Malaysia	1	0.1%
31	Mexico	1	0.1%
32	Switzerland	1	0.1%
33	Indonesia	1	0.1%
34	Colombia	1	0.1%
35	Bosnia and Herzegovina	1	0.1%