Rank	Countries/Territories	Count	Percent
1	United States	669	47.4%
2	China	317	22.5%
3	Germany	146	10.3%
4	Australia	28	2%
5	Japan	28	2%
6	Netherlands	27	1.9%
7	Canada	16	1.1%
8	Romania	12	0.9%
9	Korea, Republic of	11	0.8%
10	France	11	0.8%
11	Iran, Islamic Republic of	11	0.8%
12	South Africa	10	0.7%
13	United Kingdom	10	0.7%
14	Turkey	9	0.6%
15	Spain	9	0.6%
16	Ireland	9	0.6%
17	Italy	8	0.6%
18	Singapore	8	0.6%
19	Taiwan	7	0.5%
20	Russia	7	0.5%
21	Mexico	5	0.4%
22	India	5	0.4%
23	Cyprus	5	0.4%
24	Belgium	4	0.3%
25	Brazil	4	0.3%
26	Sweden	4	0.3%
27	Norway	4	0.3%
28	Pakistan	4	0.3%
29	Switzerland	3	0.2%
30	Mongolia	2	0.1%
31	Lithuania	2	0.1%
32	Malaysia	2	0.1%
33	Bulgaria	2	0.1%
34	Barbados	2	0.1%
35	Egypt	2	0.1%
36	Finland	2	0.1%
37	Hong Kong	2	0.1%
38	Indonesia	1	0.1%
39	Czech Republic	1	0.1%
40	Portugal	1	0.1%
41	Saudi Arabia	1	0.1%