Rank	Countries/Territories	Count	Percent
1	United States	382	49.9%
2	China	146	19.1%
3	Germany	95	12.4%
4	Canada	24	3.1%
5	Japan	19	2.5%
6	Russia	15	2%
7	France	12	1.6%
8	Korea, Republic of	11	1.4%
9	Singapore	9	1.2%
10	Turkey	6	0.8%
11	Netherlands	6	0.8%
12	Cyprus	4	0.5%
13	India	4	0.5%
14	Bulgaria	3	0.4%
15	Ukraine	3	0.4%
16	United Kingdom	3	0.4%
17	Viet Nam	3	0.4%
18	Spain	3	0.4%
19	Romania	3	0.4%
20	Switzerland	2	0.3%
21	Saudi Arabia	2	0.3%
22	Australia	2	0.3%
23	Iraq	2	0.3%
24	Mongolia	2	0.3%
25	Portugal	1	0.1%
26	Latvia	1	0.1%
27	Ireland	1	0.1%
28	Colombia	1	0.1%