Rank	Countries/Territories	Count	Percent
1	United States	580	34.7%
2	China	558	33.4%
3	Germany	124	7.4%
4	Japan	70	4.2%
5	France	42	2.5%
6	India	41	2.5%
7	Greece	30	1.8%
8	Canada	30	1.8%
9	Netherlands	23	1.4%
10	Russia	23	1.4%
11	United Kingdom	20	1.2%
12	Australia	18	1.1%
13	Taiwan	11	0.7%
14	Italy	9	0.5%
15	Ireland	6	0.4%
16	Korea, Republic of	6	0.4%
17	Turkey	5	0.3%
18	Thailand	4	0.2%
19	Saudi Arabia	4	0.2%
20	Portugal	4	0.2%
21	Cyprus	4	0.2%
22	Denmark	4	0.2%
23	Hong Kong	3	0.2%
24	Colombia	3	0.2%
25	Peru	3	0.2%
26	Morocco	3	0.2%
27	Lithuania	3	0.2%
28	Iraq	3	0.2%
29	Sweden	3	0.2%
30	Serbia	2	0.1%
31	Singapore	2	0.1%
32	Slovakia	2	0.1%
33	Ukraine	2	0.1%
34	United Arab Emirates	2	0.1%
35	Malaysia	2	0.1%
36	Philippines	2	0.1%
37	Qatar	2	0.1%
38	Brazil	2	0.1%
39	Georgia	2	0.1%
40	Egypt	2	0.1%
41	Czech Republic	2	0.1%
42	Bulgaria	1	0.1%
43	Cambodia	1	0.1%
44	Belgium	1	0.1%
45	Argentina	1	0.1%
46	Poland	1	0.1%
47	Norway	1	0.1%
48	Pakistan	1	0.1%
49	Mexico	1	0.1%
50	Iran, Islamic Republic of	1	0.1%
51	Viet Nam	1	0.1%