Rank	Countries/Territories	Count	Percent
1	United States	589	47.5%
2	China	417	33.6%
3	Germany	43	3.5%
4	India	32	2.6%
5	Brazil	22	1.8%
6	Russia	15	1.2%
7	France	12	1%
8	Japan	10	0.8%
9	Ireland	10	0.8%
10	Netherlands	9	0.7%
11	Australia	9	0.7%
12	United Kingdom	8	0.6%
13	Korea, Republic of	7	0.6%
14	Singapore	6	0.5%
15	Italy	5	0.4%
16	Canada	5	0.4%
17	Turkey	5	0.4%
18		4	0.3%
19	Mexico	4	0.3%
20	Lebanon	4	0.3%
21	Portugal	3	0.2%
22	Hong Kong	3	0.2%
23	Egypt	2	0.2%
24	Bangladesh	2	0.2%
25	Norway	2	0.2%
26	Taiwan	2	0.2%
27	Ukraine	1	0.1%
28	Romania	1	0.1%
29	South Africa	1	0.1%
30	Saudi Arabia	1	0.1%
31	Lithuania	1	0.1%
32	Israel	1	0.1%
33	Belgium	1	0.1%
34	Argentina	1	0.1%
35	Bahrain	1	0.1%
36	Cyprus	1	0.1%
37	Iran, Islamic Republic of	1	0.1%