Rank	Countries/Territories	Count	Percent
1	United States	251	30%
2	China	225	26.8%
3	Germany	88	10.5%
4	Japan	44	5.3%
5	United Kingdom	24	2.9%
6	Netherlands	19	2.3%
7	India	19	2.3%
8	Australia	19	2.3%
9	Ireland	17	2%
10	Singapore	15	1.8%
11	France	14	1.7%
12	Canada	11	1.3%
13	Korea, Republic of	11	1.3%
14	Pakistan	8	1%
15	Cyprus	6	0.7%
16	Colombia	5	0.6%
17	Czech Republic	4	0.5%
18	Egypt	4	0.5%
19	New Zealand	4	0.5%
20	Spain	4	0.5%
21	Romania	3	0.4%
22	Mexico	3	0.4%
23	Saudi Arabia	3	0.4%
24	Belgium	3	0.4%
25	Israel	3	0.4%
26	South Africa	3	0.4%
27	Switzerland	2	0.2%
28	Turkey	2	0.2%
29	Italy	2	0.2%
30	Iran, Islamic Republic of	2	0.2%
31	Georgia	2	0.2%
32	Russia	2	0.2%
33	Slovenia	2	0.2%
34	Norway	2	0.2%
35	Poland	2	0.2%
36	Kenya	2	0.2%
37	Luxembourg	1	0.1%
38	Malaysia	1	0.1%
39	Sri Lanka	1	0.1%
40	Ghana	1	0.1%
41	Hungary	1	0.1%
42	Bulgaria	1	0.1%
43	Argentina	1	0.1%
44	Zambia	1	0.1%