Rank	Countries/Territories	Count	Percent
1	United States	326	37.5%
2	China	236	27.1%
3	Germany	105	12.1%
4	Japan	28	3.2%
5	Singapore	28	3.2%
6	Korea, Republic of	18	2.1%
7	Russia	16	1.8%
8	Canada	16	1.8%
9	France	9	1%
10	Cyprus	7	0.8%
11	Netherlands	7	0.8%
12	Italy	6	0.7%
13	United Kingdom	5	0.6%
14	Switzerland	4	0.5%
15	Taiwan	4	0.5%
16		4	0.5%
17	India	4	0.5%
18	Argentina	3	0.3%
19	Colombia	3	0.3%
20	Turkey	3	0.3%
21	Ukraine	3	0.3%
22	Viet Nam	2	0.2%
23	Egypt	2	0.2%
24	Finland	2	0.2%
25	Australia	2	0.2%
26	Bangladesh	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Thailand	2	0.2%
29	Sweden	2	0.2%
30	Portugal	2	0.2%
31	Puerto Rico	2	0.2%
32	Malaysia	2	0.2%
33	Mexico	2	0.2%
34	Romania	1	0.1%
35	Philippines	1	0.1%
36	Poland	1	0.1%
37	Saudi Arabia	1	0.1%
38	South Africa	1	0.1%
39	Spain	1	0.1%
40	Israel	1	0.1%
41	Indonesia	1	0.1%
42	Hong Kong	1	0.1%
43	Hungary	1	0.1%
44	Belgium	1	0.1%