Rank	Countries/Territories	Count	Percent
1	United States	535	38.9%
2	China	261	19%
3	Japan	100	7.3%
4	Germany	82	6%
5	Netherlands	44	3.2%
6	Turkey	43	3.1%
7	United Kingdom	34	2.5%
8	Greece	24	1.7%
9	Australia	23	1.7%
10	Canada	17	1.2%
11	Singapore	17	1.2%
12	Korea, Republic of	17	1.2%
13	Ireland	14	1%
14	Romania	14	1%
15	Spain	14	1%
16	Hong Kong	13	0.9%
17	Italy	11	0.8%
18	Brazil	9	0.7%
19	Cyprus	8	0.6%
20	India	8	0.6%
21	Switzerland	8	0.6%
22	Taiwan	8	0.6%
23	Iran, Islamic Republic of	7	0.5%
24	Belgium	7	0.5%
25	Malaysia	7	0.5%
26	Mexico	6	0.4%
27	Russia	6	0.4%
28	France	6	0.4%
29	Pakistan	5	0.4%
30	New Zealand	3	0.2%
31	Slovakia	3	0.2%
32	South Africa	3	0.2%
33	Hungary	3	0.2%
34	Denmark	3	0.2%
35	Argentina	2	0.1%
36	Poland	2	0.1%
37	Thailand	2	0.1%
38	Norway	1	0.1%
39	Saudi Arabia	1	0.1%
40	Mongolia	1	0.1%
41	Kazakhstan	1	0.1%
42	Egypt	1	0.1%
43	Colombia	1	0.1%
44	Indonesia	1	0.1%
45	Ghana	1	0.1%