Rank	Countries/Territories	Count	Percent
1	United States	443	34.8%
2	China	366	28.8%
3	Germany	96	7.5%
4	United Kingdom	66	5.2%
5	Japan	56	4.4%
6	Greece	27	2.1%
7	Australia	25	2%
8	Canada	21	1.6%
9	India	16	1.3%
10	Netherlands	16	1.3%
11	Argentina	13	1%
12	Korea, Republic of	12	0.9%
13	Singapore	10	0.8%
14	Russia	9	0.7%
15	Spain	9	0.7%
16	Austria	9	0.7%
17	Belgium	9	0.7%
18	Taiwan	8	0.6%
19	South Africa	5	0.4%
20	Cyprus	5	0.4%
21	Ireland	5	0.4%
22	Italy	5	0.4%
23	France	4	0.3%
24	Iraq	4	0.3%
25	Ukraine	4	0.3%
26	New Zealand	4	0.3%
27	Portugal	4	0.3%
28	Malaysia	3	0.2%
29	Mongolia	3	0.2%
30	Iran, Islamic Republic of	3	0.2%
31	Hong Kong	2	0.2%
32	Czech Republic	2	0.2%
33	Denmark	2	0.2%
34	Pakistan	2	0.2%
35	Sweden	1	0.1%
36	Switzerland	1	0.1%
37	Romania	1	0.1%
38	Nigeria	1	0.1%
39	Egypt	1	0.1%