Rank	Countries/Territories	Count	Percent
1	United States	592	40%
2	China	306	20.7%
3	Japan	142	9.6%
4	Germany	134	9%
5	France	36	2.4%
6	Singapore	34	2.3%
7	Iran, Islamic Republic of	24	1.6%
8	India	23	1.6%
9	Korea, Republic of	16	1.1%
10	Netherlands	15	1%
11	Switzerland	14	0.9%
12	Greece	14	0.9%
13	Italy	13	0.9%
14	Cyprus	12	0.8%
15	Canada	10	0.7%
16	Hong Kong	9	0.6%
17	United Kingdom	9	0.6%
18	Turkey	9	0.6%
19	Brazil	7	0.5%
20	Czech Republic	7	0.5%
21	Ireland	6	0.4%
22	Russia	6	0.4%
23	Palestine, State of	5	0.3%
24	Spain	5	0.3%
25	Norway	4	0.3%
26	Mexico	3	0.2%
27	Macao	2	0.1%
28	New Zealand	2	0.1%
29	Taiwan	2	0.1%
30	Thailand	2	0.1%
31	Poland	2	0.1%
32	Romania	2	0.1%
33	Saudi Arabia	2	0.1%
34	Denmark	2	0.1%
35	Belgium	2	0.1%
36	Ukraine	2	0.1%
37	Virgin Islands, British	1	0.1%
38	Argentina	1	0.1%
39	Egypt	1	0.1%
40	Croatia	1	0.1%
41	Pakistan	1	0.1%
42	Morocco	1	0.1%