Rank	Countries/Territories	Count	Percent
1	United States	499	42.2%
2	China	315	26.6%
3	Germany	89	7.5%
4	India	36	3%
5	France	35	3%
6	Singapore	27	2.3%
7	Japan	21	1.8%
8	United Kingdom	19	1.6%
9	Australia	17	1.4%
10	Ireland	13	1.1%
11	Netherlands	13	1.1%
12	Canada	11	0.9%
13	Spain	8	0.7%
14	Italy	6	0.5%
15	Cyprus	6	0.5%
16	Argentina	5	0.4%
17	Norway	5	0.4%
18	Ukraine	5	0.4%
19	Sweden	4	0.3%
20	New Zealand	4	0.3%
21	Mexico	4	0.3%
22	Slovenia	3	0.3%
23	Taiwan	3	0.3%
24	Russia	2	0.2%
25	Poland	2	0.2%
26	Korea, Republic of	2	0.2%
27	Malaysia	2	0.2%
28	Iran, Islamic Republic of	2	0.2%
29	Iraq	2	0.2%
30	Greece	2	0.2%
31	Hong Kong	2	0.2%
32	Czech Republic	2	0.2%
33	Chile	2	0.2%
34	Bangladesh	2	0.2%
35	Bulgaria	2	0.2%
36		2	0.2%
37	Algeria	1	0.1%
38	Hungary	1	0.1%
39	Mongolia	1	0.1%
40	Romania	1	0.1%
41	Palestine, State of	1	0.1%
42	Philippines	1	0.1%
43	Switzerland	1	0.1%
44	Thailand	1	0.1%