Rank	Countries/Territories	Count	Percent
1	United States	558	45.8%
2	China	327	26.8%
3	Germany	130	10.7%
4	Netherlands	39	3.2%
5	Canada	35	2.9%
6	Japan	21	1.7%
7	Australia	15	1.2%
8	Hong Kong	8	0.7%
9	Korea, Republic of	7	0.6%
10	Brazil	7	0.6%
11	Cyprus	7	0.6%
12	France	7	0.6%
13	Ukraine	6	0.5%
14	United Kingdom	5	0.4%
15	Singapore	4	0.3%
16	South Africa	3	0.2%
17	Norway	3	0.2%
18	Thailand	3	0.2%
19	Russia	3	0.2%
20	Egypt	3	0.2%
21	Iran, Islamic Republic of	3	0.2%
22	Ireland	3	0.2%
23	Italy	3	0.2%
24	Nigeria	2	0.2%
25	Belgium	2	0.2%
26	Poland	2	0.2%
27	Portugal	2	0.2%
28	Romania	2	0.2%
29	Spain	2	0.2%
30	Sweden	2	0.2%
31	Pakistan	1	0.1%
32	Turkey	1	0.1%
33	Czech Republic	1	0.1%
34	Mongolia	1	0.1%
35	India	1	0.1%