Rank	Countries/Territories	Count	Percent
1	United States	400	41.1%
2	China	290	29.8%
3	Germany	75	7.7%
4	Japan	51	5.2%
5	France	23	2.4%
6	Singapore	16	1.6%
7	Turkey	14	1.4%
8	Australia	13	1.3%
9	Netherlands	10	1%
10	Cyprus	9	0.9%
11	India	9	0.9%
12	Spain	6	0.6%
13	Iran, Islamic Republic of	5	0.5%
14	Indonesia	4	0.4%
15	Romania	4	0.4%
16	Mongolia	4	0.4%
17	Ukraine	4	0.4%
18	Taiwan	4	0.4%
19	United Kingdom	3	0.3%
20	Italy	3	0.3%
21	Russia	3	0.3%
22	Bangladesh	3	0.3%
23	Bulgaria	3	0.3%
24	Canada	3	0.3%
25	Ethiopia	2	0.2%
26	Ghana	2	0.2%
27	Ireland	2	0.2%
28	Lithuania	2	0.2%
29	Israel	1	0.1%
30	Hong Kong	1	0.1%
31	Argentina	1	0.1%
32	Belgium	1	0.1%
33	Sweden	1	0.1%
34	Panama	1	0.1%