Rank	Countries/Territories	Count	Percent
1	United States	364	38.5%
2	Germany	161	17%
3	China	141	14.9%
4	Japan	134	14.2%
5	Singapore	38	4%
6	Turkey	13	1.4%
7	Netherlands	11	1.2%
8	France	9	1%
9	Taiwan	8	0.8%
10	Australia	7	0.7%
11	Canada	6	0.6%
12	Cyprus	5	0.5%
13	India	4	0.4%
14	Iran, Islamic Republic of	4	0.4%
15	United Kingdom	4	0.4%
16	Pakistan	3	0.3%
17	Romania	3	0.3%
18	Hong Kong	3	0.3%
19	Ireland	3	0.3%
20	Italy	2	0.2%
21	Greece	2	0.2%
22	Argentina	2	0.2%
23	Brazil	2	0.2%
24	Portugal	2	0.2%
25	Saudi Arabia	2	0.2%
26	Serbia	2	0.2%
27	Yemen	2	0.2%
28	Switzerland	2	0.2%
29	Ukraine	2	0.2%
30	Spain	1	0.1%
31	Russia	1	0.1%
32	Kenya	1	0.1%
33	Iraq	1	0.1%