Rank	Countries/Territories	Count	Percent
1	United States	818	46.2%
2	China	414	23.4%
3	Germany	165	9.3%
4	France	60	3.4%
5	Korea, Republic of	40	2.3%
6	Canada	26	1.5%
7	Japan	22	1.2%
8	Singapore	21	1.2%
9	Netherlands	17	1%
10	Russia	16	0.9%
11	United Kingdom	16	0.9%
12	Australia	14	0.8%
13	Sweden	12	0.7%
14	Croatia	11	0.6%
15	Taiwan	11	0.6%
16	Cyprus	10	0.6%
17	India	10	0.6%
18	Iran, Islamic Republic of	9	0.5%
19	Malaysia	9	0.5%
20	Greece	7	0.4%
21	Hong Kong	7	0.4%
22	New Zealand	6	0.3%
23	Norway	5	0.3%
24	Mauritius	4	0.2%
25	Costa Rica	4	0.2%
26	Denmark	3	0.2%
27	Ireland	3	0.2%
28	Indonesia	3	0.2%
29	Peru	3	0.2%
30	Switzerland	3	0.2%
31	South Africa	3	0.2%
32	Turkey	3	0.2%
33	Ukraine	2	0.1%
34	Viet Nam	2	0.1%
35	Portugal	2	0.1%
36	Israel	2	0.1%
37	Belgium	2	0.1%
38	Ecuador	1	0.1%
39	Romania	1	0.1%
40	Palestine, State of	1	0.1%
41	Kazakhstan	1	0.1%
42	Lithuania	1	0.1%
43	Zimbabwe	1	0.1%
44	Thailand	1	0.1%