Rank	Countries/Territories	Count	Percent
1	United States	283	29.6%
2	China	250	26.2%
3	Japan	157	16.4%
4	Germany	67	7%
5	Singapore	34	3.6%
6	France	18	1.9%
7	India	17	1.8%
8	Turkey	15	1.6%
9	Netherlands	14	1.5%
10	Ukraine	13	1.4%
11	Ireland	11	1.2%
12	Iran, Islamic Republic of	10	1%
13	Thailand	7	0.7%
14	Russia	5	0.5%
15	Korea, Republic of	5	0.5%
16	Australia	5	0.5%
17	Greece	4	0.4%
18	Taiwan	4	0.4%
19	Saudi Arabia	3	0.3%
20	United Kingdom	3	0.3%
21	Poland	3	0.3%
22	Hong Kong	3	0.3%
23	Indonesia	3	0.3%
24	Cyprus	3	0.3%
25	Finland	3	0.3%
26	Argentina	2	0.2%
27	Egypt	2	0.2%
28	Austria	2	0.2%
29	Malaysia	2	0.2%
30	Mexico	1	0.1%
31	Romania	1	0.1%
32	Italy	1	0.1%
33	Tanzania, United Republic of	1	0.1%
34	Bosnia and Herzegovina	1	0.1%
35	Canada	1	0.1%
36	Iraq	1	0.1%
37	Hungary	1	0.1%