Rank	Countries/Territories	Count	Percent
1	United States	1086	49.8%
2	China	294	13.5%
3	Germany	155	7.1%
4	Japan	150	6.9%
5	Singapore	104	4.8%
6	Russia	93	4.3%
7	France	40	1.8%
8	Thailand	31	1.4%
9	India	30	1.4%
10	United Kingdom	28	1.3%
11	Netherlands	16	0.7%
12	Canada	15	0.7%
13	Romania	14	0.6%
14	Australia	13	0.6%
15	Ireland	11	0.5%
16	Sweden	10	0.5%
17	Spain	9	0.4%
18	South Africa	5	0.2%
19	Switzerland	5	0.2%
20	Korea, Republic of	5	0.2%
21	Brazil	5	0.2%
22	Greece	5	0.2%
23	Denmark	5	0.2%
24	Bangladesh	4	0.2%
25	Poland	4	0.2%
26	Turkey	4	0.2%
27	Ukraine	4	0.2%
28	United Arab Emirates	3	0.1%
29	Argentina	3	0.1%
30	Costa Rica	3	0.1%
31	Cyprus	3	0.1%
32	Bulgaria	2	0.1%
33	Austria	2	0.1%
34	Peru	2	0.1%
35	Oman	2	0.1%
36	Lebanon	2	0.1%
37	Macao	2	0.1%
38	Israel	2	0.1%
39	Italy	2	0.1%
40	New Zealand	1	0%
41	Norway	1	0%
42	Malta	1	0%
43	Mauritius	1	0%
44	Pakistan	1	0%
45	Slovenia	1	0%
46	Belgium	1	0%
47	Iran, Islamic Republic of	1	0%
48	Iraq	1	0%