Rank	Countries/Territories	Count	Percent
1	United States	789	42.3%
2	China	576	30.9%
3	Germany	163	8.7%
4	India	35	1.9%
5	Canada	31	1.7%
6	Singapore	30	1.6%
7	Korea, Republic of	25	1.3%
8	Japan	21	1.1%
9	Netherlands	20	1.1%
10	France	18	1%
11	Hong Kong	18	1%
12	Ireland	12	0.6%
13	Czech Republic	11	0.6%
14	Australia	11	0.6%
15	Cyprus	10	0.5%
16	Denmark	9	0.5%
17	Hungary	7	0.4%
18	Russia	6	0.3%
19	Taiwan	6	0.3%
20	Spain	6	0.3%
21	United Arab Emirates	6	0.3%
22	United Kingdom	4	0.2%
23	Thailand	4	0.2%
24	Iran, Islamic Republic of	4	0.2%
25	Moldova, Republic of	4	0.2%
26	Italy	3	0.2%
27	Norway	3	0.2%
28	Portugal	2	0.1%
29	Romania	2	0.1%
30	Iraq	2	0.1%
31	Israel	2	0.1%
32	Indonesia	2	0.1%
33	Austria	2	0.1%
34	Argentina	2	0.1%
35	Bulgaria	2	0.1%
36	Turkey	2	0.1%
37	Ukraine	2	0.1%
38	Switzerland	2	0.1%
39	Viet Nam	2	0.1%
40	Belgium	1	0.1%
41	Croatia	1	0.1%
42	Egypt	1	0.1%
43	Greece	1	0.1%
44	New Zealand	1	0.1%
45	Saudi Arabia	1	0.1%
46	Slovakia	1	0.1%
47	South Africa	1	0.1%