Rank	Countries/Territories	Count	Percent
1	United States	605	44.8%
2	China	292	21.6%
3	Germany	173	12.8%
4	Japan	51	3.8%
5	France	37	2.7%
6	Netherlands	20	1.5%
7	Singapore	18	1.3%
8	Korea, Republic of	15	1.1%
9	India	15	1.1%
10	Australia	13	1%
11	Canada	12	0.9%
12	Ukraine	9	0.7%
13	Ireland	8	0.6%
14	Iran, Islamic Republic of	7	0.5%
15	United Kingdom	7	0.5%
16	Turkey	7	0.5%
17	Hong Kong	6	0.4%
18	Cyprus	6	0.4%
19	Palestine, State of	5	0.4%
20	Romania	4	0.3%
21	Mexico	4	0.3%
22	Argentina	4	0.3%
23	Bangladesh	3	0.2%
24	Russia	3	0.2%
25	South Africa	3	0.2%
26	Spain	2	0.1%
27	Mongolia	2	0.1%
28	Macao	2	0.1%
29	Algeria	2	0.1%
30	Indonesia	2	0.1%
31	Italy	2	0.1%
32	Viet Nam	2	0.1%
33	Israel	1	0.1%
34	Iceland	1	0.1%
35	Brazil	1	0.1%
36	Finland	1	0.1%
37	Malaysia	1	0.1%
38	Norway	1	0.1%
39	Sweden	1	0.1%
40	Taiwan	1	0.1%
41	Tanzania, United Republic of	1	0.1%
42	Peru	1	0.1%