Rank	Countries/Territories	Count	Percent
1	United States	634	37.2%
2	China	581	34.1%
3	Germany	84	4.9%
4	Japan	70	4.1%
5	France	46	2.7%
6	Korea, Republic of	27	1.6%
7	Netherlands	24	1.4%
8	Taiwan	24	1.4%
9	India	21	1.2%
10	Iran, Islamic Republic of	18	1.1%
11	Turkey	16	0.9%
12	Canada	14	0.8%
13	Indonesia	11	0.6%
14	Ireland	11	0.6%
15	Hong Kong	10	0.6%
16	Ukraine	9	0.5%
17	United Kingdom	8	0.5%
18	Austria	8	0.5%
19	Malaysia	7	0.4%
20	Saudi Arabia	7	0.4%
21	Australia	6	0.4%
22	Cyprus	6	0.4%
23	Czech Republic	5	0.3%
24	Argentina	5	0.3%
25	Romania	5	0.3%
26	Singapore	5	0.3%
27	Brazil	4	0.2%
28	Portugal	4	0.2%
29	Chile	4	0.2%
30	Belgium	3	0.2%
31	Egypt	3	0.2%
32	Russia	3	0.2%
33	Mongolia	3	0.2%
34	Poland	3	0.2%
35	Macao	3	0.2%
36	Thailand	3	0.2%
37	Slovakia	2	0.1%
38	Ghana	2	0.1%
39	Guatemala	1	0.1%
40	Iceland	1	0.1%
41	Georgia	1	0.1%
42	Italy	1	0.1%
43	Iraq	1	0.1%
44	Spain	1	0.1%
45	Switzerland	1	0.1%