Rank	Countries/Territories	Count	Percent
1	United States	457	30.2%
2	China	401	26.5%
3	Japan	260	17.2%
4	Germany	88	5.8%
5	Singapore	43	2.8%
6	Ukraine	39	2.6%
7	Pakistan	37	2.4%
8	India	35	2.3%
9	Iraq	20	1.3%
10	Netherlands	20	1.3%
11	France	11	0.7%
12	Hong Kong	10	0.7%
13	Spain	8	0.5%
14	Switzerland	8	0.5%
15	Korea, Republic of	8	0.5%
16	Cyprus	7	0.5%
17	Ireland	6	0.4%
18	Taiwan	6	0.4%
19	United Arab Emirates	4	0.3%
20	Russia	4	0.3%
21	Indonesia	4	0.3%
22	Egypt	4	0.3%
23	Belgium	4	0.3%
24	Australia	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Turkey	3	0.2%
27	Latvia	2	0.1%
28	Malaysia	2	0.1%
29	Philippines	2	0.1%
30	Canada	2	0.1%
31	Argentina	2	0.1%
32	Afghanistan	1	0.1%
33	Algeria	1	0.1%
34	Brazil	1	0.1%
35	Burundi	1	0.1%
36	Greece	1	0.1%
37	Norway	1	0.1%
38	Kazakhstan	1	0.1%
39	Kenya	1	0.1%
40	Sweden	1	0.1%
41	Viet Nam	1	0.1%