Rank	Countries/Territories	Count	Percent
1	United States	403	46.5%
2	China	294	33.9%
3	Germany	35	4%
4	Canada	19	2.2%
5	Netherlands	16	1.8%
6	France	13	1.5%
7	Japan	10	1.2%
8	Ukraine	9	1%
9	United Kingdom	8	0.9%
10	Ireland	7	0.8%
11	Australia	6	0.7%
12	Singapore	6	0.7%
13	Switzerland	5	0.6%
14	Finland	4	0.5%
15	Hong Kong	4	0.5%
16	India	3	0.3%
17	Serbia	3	0.3%
18	Romania	3	0.3%
19	Cyprus	3	0.3%
20	Egypt	2	0.2%
21	Brazil	2	0.2%
22	Russia	2	0.2%
23	Mexico	2	0.2%
24	Mongolia	2	0.2%
25	Spain	2	0.2%
26	Sweden	1	0.1%
27	Slovakia	1	0.1%
28	Venezuela, Bolivarian Republic of	1	0.1%
29	Argentina	1	0.1%