Rank	Countries/Territories	Count	Percent
1	United States	294	30.5%
2	China	232	24%
3	Japan	115	11.9%
4	Germany	69	7.2%
5	Singapore	30	3.1%
6	France	27	2.8%
7	Netherlands	19	2%
8	India	18	1.9%
9	Austria	16	1.7%
10	Canada	14	1.5%
11	Russia	14	1.5%
12	Mexico	12	1.2%
13	Ukraine	11	1.1%
14	Poland	9	0.9%
15	Australia	9	0.9%
16	Hong Kong	8	0.8%
17	United Kingdom	8	0.8%
18	Iran, Islamic Republic of	5	0.5%
19	Iraq	5	0.5%
20	Brazil	5	0.5%
21	Cyprus	4	0.4%
22	Chile	3	0.3%
23	Indonesia	3	0.3%
24	Italy	3	0.3%
25	Pakistan	3	0.3%
26	Palestine, State of	2	0.2%
27	Romania	2	0.2%
28	Korea, Republic of	2	0.2%
29	Namibia	2	0.2%
30	Norway	2	0.2%
31	Argentina	2	0.2%
32	Belgium	2	0.2%
33	United Arab Emirates	2	0.2%
34	Taiwan	2	0.2%
35	Turkey	1	0.1%
36	Bosnia and Herzegovina	1	0.1%
37	Czech Republic	1	0.1%
38	Egypt	1	0.1%
39	Estonia	1	0.1%
40	Ghana	1	0.1%
41	Lithuania	1	0.1%
42	Spain	1	0.1%
43	Switzerland	1	0.1%
44	Philippines	1	0.1%
45	Portugal	1	0.1%