Rank	Countries/Territories	Count	Percent
1	United States	507	42.1%
2	China	322	26.7%
3	Germany	101	8.4%
4	United Kingdom	52	4.3%
5	Singapore	49	4.1%
6	Japan	26	2.2%
7	Netherlands	20	1.7%
8	Canada	17	1.4%
9	Ireland	16	1.3%
10	France	13	1.1%
11	Hong Kong	9	0.7%
12	Australia	9	0.7%
13	Cyprus	9	0.7%
14	Korea, Republic of	7	0.6%
15	Italy	7	0.6%
16	Colombia	5	0.4%
17	Spain	4	0.3%
18	Ukraine	3	0.2%
19	Malta	3	0.2%
20	Romania	3	0.2%
21	Poland	2	0.2%
22	Norway	2	0.2%
23	Taiwan	2	0.2%
24	Slovenia	2	0.2%
25	Argentina	2	0.2%
26	Austria	2	0.2%
27	Bangladesh	2	0.2%
28	Greece	2	0.2%
29	Georgia	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Belgium	1	0.1%
32	United Arab Emirates	1	0.1%
33	Oman	1	0.1%
34	Russia	1	0.1%