Rank	Countries/Territories	Count	Percent
1	United States	486	41.7%
2	China	326	28%
3	Germany	77	6.6%
4	Japan	51	4.4%
5	France	41	3.5%
6	Netherlands	21	1.8%
7	Canada	20	1.7%
8	Ireland	17	1.5%
9	India	15	1.3%
10	United Kingdom	14	1.2%
11	Singapore	11	0.9%
12	Ukraine	8	0.7%
13	Korea, Republic of	8	0.7%
14	Australia	8	0.7%
15	Cyprus	6	0.5%
16	Italy	6	0.5%
17	Switzerland	6	0.5%
18	Taiwan	5	0.4%
19	Hong Kong	5	0.4%
20	Austria	4	0.3%
21	Greece	3	0.3%
22	Turkey	3	0.3%
23	Iran, Islamic Republic of	3	0.3%
24	Mexico	3	0.3%
25	Poland	2	0.2%
26	Romania	2	0.2%
27	Russia	2	0.2%
28	Indonesia	2	0.2%
29	Argentina	2	0.2%
30	Ecuador	2	0.2%
31	Egypt	2	0.2%
32	Finland	1	0.1%
33	Bulgaria	1	0.1%
34	Nigeria	1	0.1%
35	Pakistan	1	0.1%
36	Malaysia	1	0.1%