Rank	Countries/Territories	Count	Percent
1	United States	282	26.8%
2	Japan	253	24%
3	China	219	20.8%
4	Germany	66	6.3%
5	Ukraine	37	3.5%
6	Pakistan	37	3.5%
7	Singapore	37	3.5%
8	India	32	3%
9	Netherlands	12	1.1%
10	Hong Kong	9	0.9%
11	Iraq	9	0.9%
12	Korea, Republic of	8	0.8%
13	Spain	8	0.8%
14	Ireland	6	0.6%
15	Cyprus	5	0.5%
16	Egypt	4	0.4%
17	Indonesia	4	0.4%
18	Taiwan	4	0.4%
19	Turkey	3	0.3%
20	Switzerland	2	0.2%
21	Russia	2	0.2%
22	Latvia	2	0.2%
23	France	2	0.2%
24	Argentina	2	0.2%
25	Australia	2	0.2%
26	Brazil	1	0.1%
27	Burundi	1	0.1%
28	Iran, Islamic Republic of	1	0.1%
29	Kenya	1	0.1%
30	Afghanistan	1	0.1%
31	Sweden	1	0.1%
32	Viet Nam	1	0.1%