Rank	Countries/Territories	Count	Percent
1	United States	537	38.5%
2	China	261	18.7%
3	Japan	100	7.2%
4	Germany	82	5.9%
5	Netherlands	44	3.2%
6	Turkey	43	3.1%
7	United Kingdom	34	2.4%
8	Greece	24	1.7%
9	Australia	23	1.6%
10	Canada	17	1.2%
11	Korea, Republic of	17	1.2%
12	Singapore	17	1.2%
13	India	16	1.1%
14	Hong Kong	15	1.1%
15	Ireland	14	1%
16	Romania	14	1%
17	Spain	14	1%
18	Italy	11	0.8%
19	Brazil	9	0.6%
20	Cyprus	8	0.6%
21	France	8	0.6%
22	Switzerland	8	0.6%
23	Taiwan	8	0.6%
24	Iran, Islamic Republic of	7	0.5%
25	Belgium	7	0.5%
26	Malaysia	7	0.5%
27	Mexico	6	0.4%
28	Russia	6	0.4%
29	Pakistan	5	0.4%
30	New Zealand	3	0.2%
31	Denmark	3	0.2%
32	Ecuador	3	0.2%
33	Hungary	3	0.2%
34	Slovakia	3	0.2%
35	South Africa	3	0.2%
36	Thailand	2	0.1%
37	Argentina	2	0.1%
38	Poland	2	0.1%
39	Saudi Arabia	1	0.1%
40	Norway	1	0.1%
41	Kazakhstan	1	0.1%
42	Mongolia	1	0.1%
43	Indonesia	1	0.1%
44	Egypt	1	0.1%
45	Ghana	1	0.1%
46	Colombia	1	0.1%