Rank	Countries/Territories	Count	Percent
1	United States	314	34.7%
2	China	308	34.1%
3	Japan	78	8.6%
4	Germany	66	7.3%
5	Singapore	21	2.3%
6	Korea, Republic of	20	2.2%
7	United Kingdom	10	1.1%
8	India	8	0.9%
9	Netherlands	7	0.8%
10	South Africa	5	0.6%
11	Mexico	5	0.6%
12	Pakistan	5	0.6%
13	Iran, Islamic Republic of	5	0.6%
14	Italy	5	0.6%
15	Israel	4	0.4%
16	Taiwan	4	0.4%
17	Spain	4	0.4%
18	Norway	3	0.3%
19	Thailand	3	0.3%
20	Russia	3	0.3%
21	Cyprus	3	0.3%
22	Ecuador	3	0.3%
23	Australia	3	0.3%
24	Canada	2	0.2%
25	Algeria	2	0.2%
26	France	2	0.2%
27	Hong Kong	2	0.2%
28	Ukraine	2	0.2%
29	Switzerland	2	0.2%
30	Malaysia	1	0.1%
31	Hungary	1	0.1%
32	Indonesia	1	0.1%
33	Ireland	1	0.1%
34	Egypt	1	0.1%