Rank	Countries/Territories	Count	Percent
1	United States	576	39.6%
2	China	449	30.9%
3	Germany	103	7.1%
4	Singapore	61	4.2%
5	India	42	2.9%
6	Canada	26	1.8%
7		20	1.4%
8	Korea, Republic of	20	1.4%
9	Russia	18	1.2%
10	Japan	18	1.2%
11	Latvia	16	1.1%
12	Netherlands	11	0.8%
13	United Kingdom	9	0.6%
14	Italy	8	0.6%
15	Australia	8	0.6%
16	Israel	7	0.5%
17	Hong Kong	7	0.5%
18	Cyprus	6	0.4%
19	Senegal	6	0.4%
20	Pakistan	6	0.4%
21	Portugal	4	0.3%
22	Brazil	4	0.3%
23	Argentina	3	0.2%
24	Ireland	3	0.2%
25	New Zealand	3	0.2%
26	Spain	3	0.2%
27	Ukraine	3	0.2%
28	South Africa	2	0.1%
29	Viet Nam	2	0.1%
30	France	2	0.1%
31	Denmark	1	0.1%
32	Hungary	1	0.1%
33	Iran, Islamic Republic of	1	0.1%
34	Tunisia	1	0.1%
35	Turkey	1	0.1%
36	Slovakia	1	0.1%
37	Nigeria	1	0.1%
38	Norway	1	0.1%