Rank	Countries/Territories	Count	Percent
1	United States	544	41%
2	China	318	24%
3	Germany	117	8.8%
4	Japan	55	4.1%
5	Russia	37	2.8%
6	India	31	2.3%
7	Canada	28	2.1%
8	Korea, Republic of	26	2%
9	Netherlands	24	1.8%
10	Australia	13	1%
11	Taiwan	13	1%
12	Singapore	12	0.9%
13	United Kingdom	12	0.9%
14	Hong Kong	11	0.8%
15	France	8	0.6%
16	Iran, Islamic Republic of	8	0.6%
17	Italy	7	0.5%
18	Cyprus	6	0.5%
19	Romania	5	0.4%
20	United Arab Emirates	4	0.3%
21	Ukraine	3	0.2%
22	Viet Nam	3	0.2%
23	Nepal	3	0.2%
24	Oman	3	0.2%
25	Pakistan	3	0.2%
26	Israel	3	0.2%
27	Austria	3	0.2%
28	Algeria	3	0.2%
29	Hungary	3	0.2%
30	Argentina	2	0.2%
31	Bosnia and Herzegovina	2	0.2%
32	Thailand	2	0.2%
33	Tunisia	1	0.1%
34	Uganda	1	0.1%
35	South Africa	1	0.1%
36	Spain	1	0.1%
37	Sweden	1	0.1%
38	Brazil	1	0.1%
39	Czech Republic	1	0.1%
40	Egypt	1	0.1%
41	Indonesia	1	0.1%
42	Ireland	1	0.1%
43	Malaysia	1	0.1%
44	Mongolia	1	0.1%
45	Poland	1	0.1%
46	Portugal	1	0.1%
47	New Zealand	1	0.1%