Rank	Countries/Territories	Count	Percent
1	United States	468	38.5%
2	China	334	27.5%
3	Germany	145	11.9%
4	Japan	39	3.2%
5	Turkey	38	3.1%
6	France	31	2.5%
7	Singapore	24	2%
8	United Kingdom	16	1.3%
9	Romania	14	1.2%
10	Cyprus	13	1.1%
11	India	12	1%
12	Canada	10	0.8%
13	Netherlands	10	0.8%
14	Ukraine	9	0.7%
15	Australia	8	0.7%
16	Russia	6	0.5%
17	Latvia	5	0.4%
18	Bangladesh	4	0.3%
19	Ethiopia	4	0.3%
20	Norway	4	0.3%
21	Ireland	4	0.3%
22	Hong Kong	3	0.2%
23	Peru	2	0.2%
24	Ecuador	2	0.2%
25	Belarus	2	0.2%
26	Malaysia	2	0.2%
27	Iran, Islamic Republic of	2	0.2%
28	Ghana	1	0.1%
29	Greece	1	0.1%
30	Mexico	1	0.1%
31	Argentina	1	0.1%
32	Switzerland	1	0.1%