Rank	Countries/Territories	Count	Percent
1	United States	571	45.3%
2	China	297	23.6%
3	Germany	120	9.5%
4	France	49	3.9%
5	Albania	40	3.2%
6	Japan	21	1.7%
7	Netherlands	16	1.3%
8	Russia	14	1.1%
9	Australia	14	1.1%
10	India	14	1.1%
11	Korea, Republic of	13	1%
12	Singapore	10	0.8%
13	Canada	9	0.7%
14	Cyprus	7	0.6%
15	United Kingdom	7	0.6%
16	Latvia	6	0.5%
17	Mongolia	6	0.5%
18	Greece	6	0.5%
19	Argentina	5	0.4%
20	Romania	5	0.4%
21	Iran, Islamic Republic of	4	0.3%
22	Hong Kong	3	0.2%
23	Belgium	3	0.2%
24	Denmark	2	0.2%
25	Indonesia	2	0.2%
26	Ukraine	2	0.2%
27	Switzerland	2	0.2%
28	Taiwan	2	0.2%
29	Turkey	1	0.1%
30	Saudi Arabia	1	0.1%
31	Pakistan	1	0.1%
32	Poland	1	0.1%
33	Malaysia	1	0.1%
34	Israel	1	0.1%
35	Italy	1	0.1%
36	Bosnia and Herzegovina	1	0.1%
37	Bangladesh	1	0.1%
38	Yemen	1	0.1%