Rank	Countries/Territories	Count	Percent
1	United States	562	36.9%
2	China	317	20.8%
3	Germany	144	9.4%
4	India	59	3.9%
5	France	45	3%
6	Canada	36	2.4%
7	Singapore	36	2.4%
8	United Kingdom	31	2%
9	Norway	28	1.8%
10	Japan	27	1.8%
11	Netherlands	25	1.6%
12	Hong Kong	20	1.3%
13	Taiwan	19	1.2%
14	Korea, Republic of	18	1.2%
15	Switzerland	18	1.2%
16		17	1.1%
17	Greece	15	1%
18	Sweden	12	0.8%
19	Iran, Islamic Republic of	10	0.7%
20	Cyprus	8	0.5%
21	Italy	8	0.5%
22	Mexico	7	0.5%
23	Russia	7	0.5%
24	Belgium	7	0.5%
25	Tunisia	6	0.4%
26	Turkey	5	0.3%
27	Australia	5	0.3%
28	Spain	4	0.3%
29	Romania	3	0.2%
30	Morocco	3	0.2%
31	New Zealand	2	0.1%
32	Peru	2	0.1%
33	Portugal	2	0.1%
34	Slovakia	2	0.1%
35	Slovenia	2	0.1%
36	Bangladesh	2	0.1%
37	Ireland	2	0.1%
38	Viet Nam	2	0.1%
39	Jordan	1	0.1%
40	Denmark	1	0.1%
41	Egypt	1	0.1%
42	Congo, The Democratic Republic of The	1	0.1%
43	United Arab Emirates	1	0.1%
44	Mongolia	1	0.1%