Rank	Countries/Territories	Count	Percent
1	United States	387	39.1%
2	China	181	18.3%
3	Germany	88	8.9%
4	United Kingdom	36	3.6%
5	Netherlands	30	3%
6	Canada	28	2.8%
7	Australia	27	2.7%
8	India	23	2.3%
9	Japan	23	2.3%
10	Norway	21	2.1%
11	Singapore	12	1.2%
12	Austria	10	1%
13	Spain	10	1%
14	Taiwan	10	1%
15	Cyprus	9	0.9%
16	Hong Kong	9	0.9%
17	Russia	9	0.9%
18	Malaysia	8	0.8%
19	Iran, Islamic Republic of	7	0.7%
20	Belgium	7	0.7%
21	Ireland	6	0.6%
22	France	4	0.4%
23	Slovenia	4	0.4%
24	Indonesia	3	0.3%
25	Albania	3	0.3%
26	Sri Lanka	3	0.3%
27	Romania	3	0.3%
28	Sweden	2	0.2%
29	Thailand	2	0.2%
30	Turkey	2	0.2%
31	Brazil	2	0.2%
32	South Africa	2	0.2%
33	Nigeria	2	0.2%
34	Macao	2	0.2%
35	Korea, Republic of	2	0.2%
36	Lebanon	2	0.2%
37	Lithuania	1	0.1%
38	Mexico	1	0.1%
39	Philippines	1	0.1%
40	Poland	1	0.1%
41	Saudi Arabia	1	0.1%
42	Barbados	1	0.1%
43	Egypt	1	0.1%
44	Ethiopia	1	0.1%
45	Italy	1	0.1%
46	Ukraine	1	0.1%