Rank	Countries/Territories	Count	Percent
1	United States	511	40%
2	China	316	24.8%
3	Germany	158	12.4%
4	India	36	2.8%
5	Canada	30	2.4%
6	Netherlands	17	1.3%
7	France	16	1.3%
8	Korea, Republic of	15	1.2%
9	Norway	13	1%
10	Turkey	13	1%
11	Thailand	10	0.8%
12	Japan	10	0.8%
13	Australia	10	0.8%
14	Hong Kong	8	0.6%
15	United Kingdom	8	0.6%
16	Taiwan	8	0.6%
17	Ireland	7	0.5%
18	Cyprus	7	0.5%
19	Czech Republic	7	0.5%
20	Egypt	6	0.5%
21	Belgium	6	0.5%
22	Chile	5	0.4%
23	Switzerland	5	0.4%
24	Italy	4	0.3%
25	Pakistan	4	0.3%
26	Philippines	3	0.2%
27	Romania	3	0.2%
28	Malaysia	3	0.2%
29	Bangladesh	3	0.2%
30	Argentina	3	0.2%
31	Ghana	3	0.2%
32	Saudi Arabia	3	0.2%
33	Singapore	3	0.2%
34	Spain	3	0.2%
35	Morocco	2	0.2%
36	South Africa	2	0.2%
37	United Arab Emirates	2	0.2%
38	Indonesia	2	0.2%
39	Mongolia	1	0.1%
40	Russia	1	0.1%
41	Palestine, State of	1	0.1%
42	Oman	1	0.1%
43	Nigeria	1	0.1%
44	Bolivia, Plurinational State of	1	0.1%
45	Brazil	1	0.1%
46	Cameroon	1	0.1%
47	Viet Nam	1	0.1%
48	Uganda	1	0.1%
49	Ukraine	1	0.1%