Rank	Countries/Territories	Count	Percent
1	United States	460	39.4%
2	China	401	34.4%
3	Germany	147	12.6%
4	Singapore	16	1.4%
5	Japan	15	1.3%
6	France	15	1.3%
7	India	14	1.2%
8	Cyprus	9	0.8%
9	Ireland	9	0.8%
10	Turkey	8	0.7%
11	Canada	7	0.6%
12	Korea, Republic of	7	0.6%
13	Greece	6	0.5%
14	Netherlands	6	0.5%
15	Indonesia	5	0.4%
16	Spain	4	0.3%
17	Russia	4	0.3%
18	Taiwan	4	0.3%
19	United Kingdom	4	0.3%
20	Norway	3	0.3%
21	Belgium	3	0.3%
22	Argentina	2	0.2%
23	Australia	2	0.2%
24	Ethiopia	2	0.2%
25	Iran, Islamic Republic of	2	0.2%
26	Latvia	2	0.2%
27	Lithuania	2	0.2%
28	Ukraine	2	0.2%
29	Philippines	1	0.1%
30	Poland	1	0.1%
31	Sweden	1	0.1%
32	Israel	1	0.1%
33	Bangladesh	1	0.1%
34	Bulgaria	1	0.1%