Rank	Countries/Territories	Count	Percent
1	United States	455	43.5%
2	China	383	36.6%
3	Germany	39	3.7%
4	Canada	20	1.9%
5	Netherlands	19	1.8%
6	France	16	1.5%
7	Japan	13	1.2%
8	Ukraine	10	1%
9	United Kingdom	10	1%
10	Australia	9	0.9%
11	Ireland	7	0.7%
12	Singapore	6	0.6%
13	Sweden	5	0.5%
14	Switzerland	5	0.5%
15	Russia	5	0.5%
16	Cyprus	5	0.5%
17	Denmark	5	0.5%
18	Mongolia	4	0.4%
19	Finland	4	0.4%
20	Hong Kong	4	0.4%
21	India	3	0.3%
22	Serbia	3	0.3%
23	Romania	3	0.3%
24	Turkey	2	0.2%
25	Spain	2	0.2%
26	Mexico	2	0.2%
27	Egypt	2	0.2%
28	Brazil	2	0.2%
29	Argentina	2	0.2%
30	Venezuela, Bolivarian Republic of	1	0.1%
31	Slovakia	1	0.1%