Rank	Countries/Territories	Count	Percent
1	United States	356	47.5%
2	China	176	23.5%
3	Germany	91	12.1%
4	Canada	14	1.9%
5	Ukraine	12	1.6%
6	France	11	1.5%
7	Netherlands	10	1.3%
8	Philippines	7	0.9%
9	Japan	7	0.9%
10	India	6	0.8%
11	Cyprus	6	0.8%
12	Australia	5	0.7%
13	United Kingdom	5	0.7%
14	Saudi Arabia	4	0.5%
15	Singapore	3	0.4%
16	Taiwan	3	0.4%
17	Portugal	3	0.4%
18	Bulgaria	3	0.4%
19	Hong Kong	3	0.4%
20	Lithuania	2	0.3%
21	Azerbaijan	2	0.3%
22	Argentina	2	0.3%
23	Brazil	2	0.3%
24	Romania	2	0.3%
25	Nigeria	2	0.3%
26	Turkey	2	0.3%
27	South Africa	2	0.3%
28	Switzerland	2	0.3%
29	Norway	1	0.1%
30	Pakistan	1	0.1%
31	Russia	1	0.1%
32	Bangladesh	1	0.1%
33	Egypt	1	0.1%
34	Montenegro	1	0.1%
35	Korea, Republic of	1	0.1%