Rank	Countries/Territories	Count	Percent
1	United States	550	35.8%
2	China	442	28.8%
3	Germany	132	8.6%
4	United Kingdom	49	3.2%
5	Australia	37	2.4%
6	Pakistan	36	2.3%
7	India	35	2.3%
8	Netherlands	34	2.2%
9	Portugal	33	2.1%
10	Japan	25	1.6%
11	France	23	1.5%
12	Canada	22	1.4%
13	Russia	14	0.9%
14	Singapore	12	0.8%
15	Brazil	10	0.7%
16	Denmark	10	0.7%
17	South Africa	7	0.5%
18	Cyprus	5	0.3%
19	Mauritius	5	0.3%
20	Thailand	4	0.3%
21	Malaysia	4	0.3%
22	Switzerland	3	0.2%
23	Norway	3	0.2%
24	Korea, Republic of	3	0.2%
25	Iran, Islamic Republic of	3	0.2%
26	Costa Rica	3	0.2%
27	Argentina	3	0.2%
28	Algeria	2	0.1%
29	Bangladesh	2	0.1%
30	Chile	2	0.1%
31	Czech Republic	2	0.1%
32	Ecuador	2	0.1%
33	Iraq	2	0.1%
34	Hong Kong	2	0.1%
35	Philippines	2	0.1%
36	Taiwan	2	0.1%
37	Ukraine	1	0.1%
38	Sri Lanka	1	0.1%
39	Mexico	1	0.1%
40	Mongolia	1	0.1%
41	Morocco	1	0.1%
42	Kenya	1	0.1%
43	Ireland	1	0.1%
44	Indonesia	1	0.1%
45	Ghana	1	0.1%
46	Belgium	1	0.1%