Rank	Countries/Territories	Count	Percent
1	United States	643	36.8%
2	China	401	22.9%
3	Germany	163	9.3%
4	India	62	3.5%
5	France	50	2.9%
6	Canada	39	2.2%
7	Singapore	36	2.1%
8	United Kingdom	33	1.9%
9	Japan	29	1.7%
10	Norway	28	1.6%
11	Netherlands	27	1.5%
12	Hong Kong	22	1.3%
13	Taiwan	19	1.1%
14	Switzerland	18	1%
15	Greece	18	1%
16	Korea, Republic of	18	1%
17		17	1%
18	Sweden	16	0.9%
19	Iran, Islamic Republic of	12	0.7%
20	Cyprus	11	0.6%
21	Russia	9	0.5%
22	Mexico	8	0.5%
23	Italy	8	0.5%
24	Belgium	7	0.4%
25	Tunisia	6	0.3%
26	Turkey	5	0.3%
27	Australia	5	0.3%
28	Spain	4	0.2%
29	Brazil	3	0.2%
30	Morocco	3	0.2%
31	Romania	3	0.2%
32	Peru	2	0.1%
33	Portugal	2	0.1%
34	Slovakia	2	0.1%
35	Slovenia	2	0.1%
36	New Zealand	2	0.1%
37	Bangladesh	2	0.1%
38	Ireland	2	0.1%
39	Thailand	2	0.1%
40	Viet Nam	2	0.1%
41	United Arab Emirates	1	0.1%
42	Hungary	1	0.1%
43	Denmark	1	0.1%
44	Egypt	1	0.1%
45	Congo, The Democratic Republic of The	1	0.1%
46	Mongolia	1	0.1%
47	Jordan	1	0.1%
48	South Africa	1	0.1%