Rank	Countries/Territories	Count	Percent
1	United States	504	38%
2	China	405	30.5%
3	Germany	101	7.6%
4	France	73	5.5%
5	Canada	56	4.2%
6	India	33	2.5%
7	Japan	31	2.3%
8	Ukraine	15	1.1%
9	Singapore	15	1.1%
10	Australia	14	1.1%
11	Argentina	10	0.8%
12	Slovakia	9	0.7%
13	Netherlands	8	0.6%
14	Cyprus	6	0.5%
15	Korea, Republic of	4	0.3%
16	Latvia	4	0.3%
17	Poland	4	0.3%
18	Hong Kong	3	0.2%
19	United Kingdom	3	0.2%
20	Turkey	3	0.2%
21	Ireland	3	0.2%
22	Finland	3	0.2%
23	Austria	3	0.2%
24	Bangladesh	2	0.2%
25	Malaysia	2	0.2%
26	Taiwan	2	0.2%
27	Sweden	2	0.2%
28	Russia	2	0.2%
29	Slovenia	1	0.1%
30	Switzerland	1	0.1%
31	Viet Nam	1	0.1%
32	Zambia	1	0.1%
33	Mongolia	1	0.1%
34	Greece	1	0.1%
35	Georgia	1	0.1%