Rank	Countries/Territories	Count	Percent
1	United States	373	36.1%
2	China	178	17.2%
3	Japan	138	13.3%
4	Germany	99	9.6%
5	Singapore	32	3.1%
6	France	22	2.1%
7	India	20	1.9%
8	Iran, Islamic Republic of	19	1.8%
9	Korea, Republic of	16	1.5%
10	Netherlands	14	1.4%
11	Switzerland	14	1.4%
12	Italy	13	1.3%
13	Greece	11	1.1%
14	Turkey	9	0.9%
15	Cyprus	8	0.8%
16	Czech Republic	7	0.7%
17	Brazil	7	0.7%
18	Canada	6	0.6%
19	Hong Kong	6	0.6%
20	United Kingdom	6	0.6%
21	Palestine, State of	5	0.5%
22	Russia	5	0.5%
23	Ireland	4	0.4%
24	Norway	3	0.3%
25	New Zealand	2	0.2%
26	Macao	2	0.2%
27	Taiwan	2	0.2%
28	Thailand	2	0.2%
29	Belgium	2	0.2%
30	Denmark	2	0.2%
31	Egypt	1	0.1%
32	Argentina	1	0.1%
33	Croatia	1	0.1%
34	Ukraine	1	0.1%
35	Morocco	1	0.1%
36	Pakistan	1	0.1%
37	Virgin Islands, British	1	0.1%