Rank	Countries/Territories	Count	Percent
1	United States	500	44.6%
2	China	241	21.5%
3	Japan	118	10.5%
4	Germany	109	9.7%
5	Singapore	25	2.2%
6	Canada	15	1.3%
7	India	13	1.2%
8	Russia	12	1.1%
9	France	9	0.8%
10	Australia	9	0.8%
11	Korea, Republic of	7	0.6%
12	Netherlands	7	0.6%
13	Spain	5	0.4%
14	Ireland	5	0.4%
15	Hong Kong	5	0.4%
16	Cyprus	5	0.4%
17	United Kingdom	4	0.4%
18	Ukraine	3	0.3%
19	Nigeria	3	0.3%
20	Palestine, State of	3	0.3%
21	Brazil	3	0.3%
22	Ecuador	3	0.3%
23	Denmark	2	0.2%
24	Chile	2	0.2%
25	Philippines	2	0.2%
26	Malaysia	2	0.2%
27	Slovenia	2	0.2%
28	South Africa	1	0.1%
29	Morocco	1	0.1%
30	Argentina	1	0.1%
31	Bangladesh	1	0.1%
32	Belgium	1	0.1%
33	Finland	1	0.1%
34	Latvia	1	0.1%