Rank	Countries/Territories	Count	Percent
1	United States	319	31.2%
2	China	247	24.2%
3	Japan	115	11.3%
4	Germany	69	6.8%
5	Singapore	32	3.1%
6	France	27	2.6%
7	Netherlands	21	2.1%
8	India	18	1.8%
9	United Kingdom	18	1.8%
10	Austria	16	1.6%
11	Canada	14	1.4%
12	Russia	14	1.4%
13	Mexico	12	1.2%
14	Ukraine	11	1.1%
15	Poland	9	0.9%
16	Australia	9	0.9%
17	Hong Kong	8	0.8%
18	Iran, Islamic Republic of	5	0.5%
19	Iraq	5	0.5%
20	Argentina	5	0.5%
21	Brazil	5	0.5%
22	Cyprus	4	0.4%
23	Chile	3	0.3%
24	Indonesia	3	0.3%
25	Italy	3	0.3%
26	Pakistan	3	0.3%
27	Palestine, State of	2	0.2%
28	Romania	2	0.2%
29	Korea, Republic of	2	0.2%
30	Namibia	2	0.2%
31	Norway	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%