Rank	Countries/Territories	Count	Percent
1	United States	474	46.9%
2	China	160	15.8%
3	Germany	149	14.8%
4	Canada	28	2.8%
5	India	22	2.2%
6	France	21	2.1%
7	Netherlands	21	2.1%
8	Greece	17	1.7%
9	Hong Kong	12	1.2%
10	Singapore	11	1.1%
11	Ukraine	11	1.1%
12	Japan	11	1.1%
13	Spain	8	0.8%
14	Australia	7	0.7%
15	Belgium	7	0.7%
16	Iran, Islamic Republic of	6	0.6%
17	Cyprus	5	0.5%
18	Czech Republic	4	0.4%
19	Mexico	4	0.4%
20	Taiwan	3	0.3%
21	Turkey	3	0.3%
22	Brazil	3	0.3%
23	Azerbaijan	3	0.3%
24	Iceland	2	0.2%
25	Indonesia	2	0.2%
26	Switzerland	2	0.2%
27	New Zealand	2	0.2%
28	Ireland	2	0.2%
29	Peru	2	0.2%
30	Philippines	2	0.2%
31	Portugal	1	0.1%
32	Saudi Arabia	1	0.1%
33	Mongolia	1	0.1%
34	Norway	1	0.1%
35	United Kingdom	1	0.1%
36	Ethiopia	1	0.1%