Rank	Countries/Territories	Count	Percent
1	United States	476	37.9%
2	China	423	33.7%
3	Germany	98	7.8%
4	Canada	49	3.9%
5	France	34	2.7%
6	Russia	24	1.9%
7	Netherlands	21	1.7%
8	India	19	1.5%
9	Singapore	13	1%
10	Ireland	11	0.9%
11	Taiwan	10	0.8%
12	Egypt	9	0.7%
13	Australia	8	0.6%
14	Cyprus	6	0.5%
15	United Kingdom	6	0.5%
16	Italy	4	0.3%
17	Malaysia	4	0.3%
18	Belgium	4	0.3%
19	Japan	3	0.2%
20	Korea, Republic of	3	0.2%
21	Israel	2	0.2%
22	Indonesia	2	0.2%
23	Brazil	2	0.2%
24	Argentina	2	0.2%
25	Ethiopia	2	0.2%
26	Colombia	2	0.2%
27	Greece	2	0.2%
28	Romania	2	0.2%
29	Tanzania, United Republic of	1	0.1%
30	United Arab Emirates	1	0.1%
31	Guam	1	0.1%
32	Hong Kong	1	0.1%
33	Armenia	1	0.1%
34	Bahrain	1	0.1%
35	Cambodia	1	0.1%
36	Algeria	1	0.1%
37	Mexico	1	0.1%
38	Mongolia	1	0.1%
39	Peru	1	0.1%
40	Philippines	1	0.1%
41	South Africa	1	0.1%
42	Saudi Arabia	1	0.1%