Rank	Countries/Territories	Count	Percent
1	United States	311	31%
2	China	250	24.9%
3	Germany	103	10.3%
4	Japan	84	8.4%
5	Singapore	30	3%
6	Canada	25	2.5%
7	India	21	2.1%
8	Kazakhstan	16	1.6%
9	Latvia	13	1.3%
10	Netherlands	12	1.2%
11	Viet Nam	12	1.2%
12	United Kingdom	11	1.1%
13	Spain	11	1.1%
14	France	11	1.1%
15	Egypt	9	0.9%
16	Australia	9	0.9%
17	Korea, Republic of	8	0.8%
18	Italy	7	0.7%
19	Pakistan	6	0.6%
20	Russia	5	0.5%
21	Hong Kong	5	0.5%
22	Ireland	5	0.5%
23	Ukraine	5	0.5%
24	Turkey	4	0.4%
25	Cyprus	4	0.4%
26	Indonesia	3	0.3%
27	Mexico	3	0.3%
28	Nigeria	3	0.3%
29	Saudi Arabia	2	0.2%
30	Israel	2	0.2%
31	Denmark	2	0.2%
32	Belgium	2	0.2%
33	Botswana	1	0.1%
34	Austria	1	0.1%
35	Argentina	1	0.1%
36	Iran, Islamic Republic of	1	0.1%
37	Serbia	1	0.1%
38	Syrian Arab Republic	1	0.1%
39	Taiwan	1	0.1%
40	Slovakia	1	0.1%
41	Norway	1	0.1%
42	Malaysia	1	0.1%