Rank	Countries/Territories	Count	Percent
1	United States	336	42.4%
2	China	238	30.1%
3	Germany	48	6.1%
4		42	5.3%
5	Turkey	20	2.5%
6	Netherlands	15	1.9%
7	Japan	15	1.9%
8	Singapore	11	1.4%
9	Australia	7	0.9%
10	Ghana	6	0.8%
11	Finland	4	0.5%
12	France	4	0.5%
13	Brazil	4	0.5%
14	Switzerland	4	0.5%
15	Taiwan	4	0.5%
16	India	4	0.5%
17	Iran, Islamic Republic of	3	0.4%
18	Hong Kong	3	0.4%
19	Canada	3	0.4%
20	Argentina	3	0.4%
21	Cyprus	2	0.3%
22	Greece	2	0.3%
23	Korea, Republic of	2	0.3%
24	Mexico	2	0.3%
25	United Kingdom	2	0.3%
26	Norway	2	0.3%
27	Italy	1	0.1%
28	United Arab Emirates	1	0.1%
29	Mongolia	1	0.1%
30	Georgia	1	0.1%
31	Bangladesh	1	0.1%
32	Belgium	1	0.1%