Rank	Countries/Territories	Count	Percent
1	United States	557	37.9%
2	China	312	21.2%
3	Germany	223	15.2%
4	Japan	65	4.4%
5	France	55	3.7%
6	Canada	50	3.4%
7	Cyprus	47	3.2%
8	Netherlands	22	1.5%
9	India	21	1.4%
10	Czech Republic	20	1.4%
11	United Kingdom	15	1%
12	Korea, Republic of	14	1%
13	Ukraine	11	0.7%
14	Poland	8	0.5%
15	Australia	7	0.5%
16	Spain	6	0.4%
17	Turkey	3	0.2%
18	Russia	3	0.2%
19	Norway	3	0.2%
20	Oman	3	0.2%
21	Viet Nam	3	0.2%
22	Hong Kong	3	0.2%
23	Italy	3	0.2%
24	Ireland	2	0.1%
25	Lithuania	2	0.1%
26	Mongolia	2	0.1%
27	Bangladesh	2	0.1%
28	New Zealand	2	0.1%
29	Singapore	2	0.1%
30	Bulgaria	1	0.1%
31	Latvia	1	0.1%
32	Iran, Islamic Republic of	1	0.1%