Rank	Countries/Territories	Count	Percent
1	United States	293	34.3%
2	Japan	260	30.4%
3	China	125	14.6%
4	Singapore	51	6%
5	Germany	43	5%
6	Iran, Islamic Republic of	17	2%
7	Netherlands	13	1.5%
8	United Kingdom	8	0.9%
9	Taiwan	8	0.9%
10	India	7	0.8%
11		5	0.6%
12	Thailand	4	0.5%
13	Russia	3	0.4%
14	Italy	2	0.2%
15	Canada	2	0.2%
16	Cyprus	2	0.2%
17	Korea, Republic of	2	0.2%
18	Malaysia	2	0.2%
19	South Africa	2	0.2%
20	Sweden	1	0.1%
21	Switzerland	1	0.1%
22	Norway	1	0.1%
23	Ireland	1	0.1%
24	Israel	1	0.1%
25	Serbia	1	0.1%