Rank	Countries/Territories	Count	Percent
1	United States	552	37.4%
2	China	416	28.2%
3	Germany	148	10%
4	Japan	106	7.2%
5	Netherlands	38	2.6%
6	Singapore	34	2.3%
7	Italy	32	2.2%
8	France	23	1.6%
9	Australia	16	1.1%
10	United Kingdom	13	0.9%
11	Canada	11	0.7%
12	Korea, Republic of	10	0.7%
13	Austria	7	0.5%
14	Argentina	7	0.5%
15	Cyprus	6	0.4%
16	Norway	6	0.4%
17	South Africa	5	0.3%
18	Spain	5	0.3%
19	India	5	0.3%
20	Iran, Islamic Republic of	4	0.3%
21	Israel	4	0.3%
22	Chile	4	0.3%
23	Ukraine	4	0.3%
24	Switzerland	2	0.1%
25	Thailand	2	0.1%
26	Nigeria	2	0.1%
27	Malaysia	2	0.1%
28	Mongolia	2	0.1%
29	Bulgaria	2	0.1%
30	Ireland	2	0.1%
31	Finland	2	0.1%
32	Hong Kong	1	0.1%
33	Belgium	1	0.1%
34	Czech Republic	1	0.1%
35	Russia	1	0.1%
36	Turkey	1	0.1%