Rank	Countries/Territories	Count	Percent
1	United States	430	39.4%
2	China	362	33.2%
3	Germany	75	6.9%
4	Japan	50	4.6%
5	India	42	3.8%
6	Korea, Republic of	17	1.6%
7	Israel	11	1%
8	Taiwan	10	0.9%
9	Ireland	7	0.6%
10	Russia	7	0.6%
11	Argentina	7	0.6%
12	Brazil	7	0.6%
13	Australia	6	0.5%
14	Singapore	6	0.5%
15	Lithuania	5	0.5%
16	Ukraine	5	0.5%
17	Cyprus	5	0.5%
18	France	5	0.5%
19	Iran, Islamic Republic of	5	0.5%
20	Canada	4	0.4%
21	Mongolia	4	0.4%
22	United Kingdom	3	0.3%
23	Hong Kong	3	0.3%
24	Italy	2	0.2%
25	Romania	2	0.2%
26	Switzerland	2	0.2%
27	Netherlands	2	0.2%
28	Poland	2	0.2%
29	Portugal	1	0.1%
30	Spain	1	0.1%
31	Sweden	1	0.1%
32	Kuwait	1	0.1%
33	Croatia	1	0.1%