Rank	Countries/Territories	Count	Percent
1	United States	421	40.6%
2	China	329	31.8%
3	Germany	52	5%
4		42	4.1%
5	Japan	36	3.5%
6	Turkey	20	1.9%
7	Netherlands	17	1.6%
8	Singapore	16	1.5%
9	Australia	13	1.3%
10	France	10	1%
11	India	7	0.7%
12	Ghana	6	0.6%
13	Egypt	6	0.6%
14	Hong Kong	6	0.6%
15	Switzerland	4	0.4%
16	Taiwan	4	0.4%
17	Finland	4	0.4%
18	Argentina	4	0.4%
19	Brazil	4	0.4%
20	Canada	4	0.4%
21	Cyprus	3	0.3%
22	Iran, Islamic Republic of	3	0.3%
23	United Kingdom	3	0.3%
24	Sweden	3	0.3%
25	Norway	2	0.2%
26	Korea, Republic of	2	0.2%
27	Mexico	2	0.2%
28	Mongolia	2	0.2%
29	Thailand	2	0.2%
30	Ukraine	2	0.2%
31	Greece	2	0.2%
32	Italy	1	0.1%
33	Georgia	1	0.1%
34	Bangladesh	1	0.1%
35	Belgium	1	0.1%
36	United Arab Emirates	1	0.1%