Rank	Countries/Territories	Count	Percent
1	United States	228	33.6%
2	China	170	25%
3	Japan	53	7.8%
4	Singapore	29	4.3%
5	Germany	19	2.8%
6	United Kingdom	19	2.8%
7	India	18	2.7%
8	Iran, Islamic Republic of	12	1.8%
9	Korea, Republic of	11	1.6%
10	Netherlands	11	1.6%
11	Australia	9	1.3%
12	Denmark	8	1.2%
13	Libya	7	1%
14	Spain	7	1%
15	Slovakia	6	0.9%
16	Belgium	6	0.9%
17	Hong Kong	6	0.9%
18	Taiwan	6	0.9%
19	Canada	5	0.7%
20	Slovenia	5	0.7%
21	Sweden	4	0.6%
22	Portugal	4	0.6%
23	Indonesia	4	0.6%
24	Israel	4	0.6%
25	Italy	4	0.6%
26	Pakistan	3	0.4%
27	Palestine, State of	2	0.3%
28	Romania	2	0.3%
29	New Zealand	2	0.3%
30	Lebanon	2	0.3%
31	Brazil	2	0.3%
32	Argentina	1	0.1%
33	Ethiopia	1	0.1%
34	France	1	0.1%
35	Czech Republic	1	0.1%
36	Ireland	1	0.1%
37	Jordan	1	0.1%
38	Norway	1	0.1%
39	Myanmar	1	0.1%
40	Serbia	1	0.1%
41	Philippines	1	0.1%
42	Viet Nam	1	0.1%