Rank	Countries/Territories	Count	Percent
1	United States	252	37.2%
2	China	181	26.7%
3	Germany	84	12.4%
4	Japan	25	3.7%
5	Korea, Republic of	18	2.7%
6	Singapore	17	2.5%
7	Russia	16	2.4%
8	Canada	16	2.4%
9	Netherlands	7	1%
10	France	6	0.9%
11	Cyprus	5	0.7%
12		4	0.6%
13	India	4	0.6%
14	Taiwan	4	0.6%
15	Turkey	3	0.4%
16	United Kingdom	3	0.4%
17	Italy	3	0.4%
18	Argentina	3	0.4%
19	Colombia	3	0.4%
20	Egypt	2	0.3%
21	Finland	2	0.3%
22	Bangladesh	2	0.3%
23	Malaysia	2	0.3%
24	Portugal	2	0.3%
25	Puerto Rico	2	0.3%
26	Sweden	2	0.3%
27	Switzerland	1	0.1%
28	Romania	1	0.1%
29	Poland	1	0.1%
30	South Africa	1	0.1%
31	Spain	1	0.1%
32	Indonesia	1	0.1%
33	Israel	1	0.1%
34	Hong Kong	1	0.1%
35	Hungary	1	0.1%
36	Belgium	1	0.1%