Rank	Countries/Territories	Count	Percent
1	United States	383	45.2%
2	China	195	23%
3	Germany	91	10.7%
4	Singapore	21	2.5%
5	India	20	2.4%
6		16	1.9%
7	Norway	13	1.5%
8	Japan	12	1.4%
9	Canada	11	1.3%
10	Netherlands	10	1.2%
11	France	8	0.9%
12	United Kingdom	8	0.9%
13	Cyprus	7	0.8%
14	Turkey	5	0.6%
15	Romania	4	0.5%
16	Mongolia	3	0.4%
17	Israel	3	0.4%
18	Hong Kong	2	0.2%
19	Korea, Republic of	2	0.2%
20	New Zealand	2	0.2%
21	Russia	2	0.2%
22	Saudi Arabia	2	0.2%
23	Poland	2	0.2%
24	Ethiopia	2	0.2%
25	Costa Rica	2	0.2%
26	Indonesia	2	0.2%
27	Australia	2	0.2%
28	Brazil	2	0.2%
29	Uganda	2	0.2%
30	Ukraine	1	0.1%
31	South Africa	1	0.1%
32	Switzerland	1	0.1%
33	Thailand	1	0.1%
34	Bulgaria	1	0.1%
35	Colombia	1	0.1%
36	Bangladesh	1	0.1%
37	Belgium	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Ireland	1	0.1%
40	Latvia	1	0.1%
41	Moldova, Republic of	1	0.1%
42	Jordan	1	0.1%
43	Italy	1	0.1%