Rank	Countries/Territories	Count	Percent
1	United States	556	45.1%
2	China	355	28.8%
3	Germany	80	6.5%
4	France	44	3.6%
5	India	28	2.3%
6	Japan	28	2.3%
7	Taiwan	19	1.5%
8	Canada	17	1.4%
9	Ireland	16	1.3%
10	Netherlands	13	1.1%
11	Singapore	11	0.9%
12	Korea, Republic of	9	0.7%
13	Switzerland	8	0.6%
14	Hong Kong	8	0.6%
15	Cyprus	5	0.4%
16	Italy	4	0.3%
17	Thailand	4	0.3%
18	Egypt	3	0.2%
19	Costa Rica	3	0.2%
20	Algeria	2	0.2%
21	Argentina	2	0.2%
22	Belgium	2	0.2%
23	Brazil	2	0.2%
24	Iran, Islamic Republic of	2	0.2%
25	Russia	2	0.2%
26	Kuwait	2	0.2%
27	Latvia	2	0.2%
28	Mongolia	1	0.1%
29	Romania	1	0.1%
30	Turkey	1	0.1%
31	Ukraine	1	0.1%
32	United Kingdom	1	0.1%
33	Australia	1	0.1%
34	Finland	1	0.1%