Rank	Countries/Territories	Count	Percent
1	United States	465	43.7%
2	China	203	19.1%
3	Japan	122	11.5%
4	Germany	101	9.5%
5	India	30	2.8%
6	Canada	22	2.1%
7	Netherlands	14	1.3%
8	Switzerland	13	1.2%
9	Korea, Republic of	12	1.1%
10	Ecuador	8	0.8%
11	Cyprus	7	0.7%
12	United Kingdom	7	0.7%
13	Ukraine	6	0.6%
14	Ireland	6	0.6%
15	Poland	6	0.6%
16	Russia	4	0.4%
17	Turkey	4	0.4%
18	France	4	0.4%
19	Australia	3	0.3%
20	Brazil	3	0.3%
21	Indonesia	3	0.3%
22	Hong Kong	3	0.3%
23	Malaysia	2	0.2%
24	Algeria	2	0.2%
25	Argentina	2	0.2%
26	Spain	2	0.2%
27	Norway	2	0.2%
28	Philippines	1	0.1%
29	Singapore	1	0.1%
30	Portugal	1	0.1%
31	Viet Nam	1	0.1%
32	Mongolia	1	0.1%
33	Hungary	1	0.1%
34	Iran, Islamic Republic of	1	0.1%