Rank	Countries/Territories	Count	Percent
1	United States	669	49.3%
2	China	314	23.1%
3	Germany	102	7.5%
4	Japan	42	3.1%
5	France	30	2.2%
6	Netherlands	24	1.8%
7	Canada	17	1.3%
8	Iran, Islamic Republic of	14	1%
9	United Kingdom	12	0.9%
10	Korea, Republic of	11	0.8%
11	India	10	0.7%
12	Cyprus	9	0.7%
13	Australia	8	0.6%
14	Hong Kong	8	0.6%
15	Taiwan	7	0.5%
16	Singapore	7	0.5%
17	Saudi Arabia	6	0.4%
18	Viet Nam	5	0.4%
19	Indonesia	5	0.4%
20	Brazil	5	0.4%
21	Ireland	4	0.3%
22	Pakistan	4	0.3%
23	Portugal	4	0.3%
24	Ukraine	4	0.3%
25	South Africa	3	0.2%
26	Greece	3	0.2%
27	Georgia	2	0.1%
28	Ghana	2	0.1%
29	Bangladesh	2	0.1%
30	Czech Republic	2	0.1%
31	Egypt	2	0.1%
32	Colombia	2	0.1%
33	Italy	2	0.1%
34	Nepal	2	0.1%
35	Libya	2	0.1%
36	Mexico	2	0.1%
37	Sweden	2	0.1%
38	Syrian Arab Republic	1	0.1%
39	Mongolia	1	0.1%
40	Malaysia	1	0.1%
41	Israel	1	0.1%
42	Latvia	1	0.1%
43	New Zealand	1	0.1%
44	Romania	1	0.1%
45	Russia	1	0.1%