Rank	Countries/Territories	Count	Percent
1	United States	566	45.8%
2	China	282	22.8%
3	Germany	142	11.5%
4	Canada	31	2.5%
5	Netherlands	28	2.3%
6	Iran, Islamic Republic of	24	1.9%
7	India	16	1.3%
8	Japan	15	1.2%
9	Ukraine	13	1.1%
10	France	11	0.9%
11	Singapore	10	0.8%
12	Korea, Republic of	9	0.7%
13	United Kingdom	9	0.7%
14	Hong Kong	9	0.7%
15	Cyprus	8	0.6%
16	Argentina	6	0.5%
17	Australia	6	0.5%
18	Ireland	5	0.4%
19	Sweden	5	0.4%
20	Macao	5	0.4%
21	Norway	5	0.4%
22	Romania	4	0.3%
23	Russia	3	0.2%
24	Taiwan	3	0.2%
25	Turkey	3	0.2%
26	Switzerland	2	0.2%
27	Spain	2	0.2%
28	Poland	2	0.2%
29	Israel	2	0.2%
30	Greece	2	0.2%
31	Denmark	2	0.2%
32	Finland	2	0.2%
33	Bangladesh	1	0.1%
34	Belgium	1	0.1%
35	South Africa	1	0.1%