Rank	Countries/Territories	Count	Percent
1	United States	525	47.6%
2	China	199	18%
3	Germany	68	6.2%
4	France	39	3.5%
5	India	38	3.4%
6	Canada	26	2.4%
7	Netherlands	22	2%
8	Korea, Republic of	17	1.5%
9	South Africa	16	1.4%
10	Ireland	15	1.4%
11	Japan	15	1.4%
12	United Kingdom	14	1.3%
13	Brazil	11	1%
14	Australia	8	0.7%
15	Cuba	8	0.7%
16	Singapore	7	0.6%
17	Cyprus	6	0.5%
18	Portugal	5	0.5%
19	Hong Kong	5	0.5%
20	Iran, Islamic Republic of	5	0.5%
21	Malaysia	5	0.5%
22	Peru	4	0.4%
23	Turkey	4	0.4%
24	Ukraine	3	0.3%
25	Slovenia	3	0.3%
26	Sweden	3	0.3%
27	Italy	3	0.3%
28	Romania	3	0.3%
29	Indonesia	3	0.3%
30	Kazakhstan	2	0.2%
31	Taiwan	2	0.2%
32	Thailand	2	0.2%
33	Philippines	2	0.2%
34	Viet Nam	2	0.2%
35	Spain	1	0.1%
36	Nigeria	1	0.1%
37	Norway	1	0.1%
38	Russia	1	0.1%
39	Saudi Arabia	1	0.1%
40	Mexico	1	0.1%
41	Mongolia	1	0.1%
42	Myanmar	1	0.1%
43	Ghana	1	0.1%
44		1	0.1%
45	Georgia	1	0.1%
46	Egypt	1	0.1%
47	Belgium	1	0.1%
48	Bulgaria	1	0.1%