Rank	Countries/Territories	Count	Percent
1	United States	627	42.4%
2	China	467	31.6%
3	Germany	169	11.4%
4	Greece	37	2.5%
5	Iran, Islamic Republic of	26	1.8%
6	France	20	1.4%
7	Japan	14	0.9%
8	Netherlands	13	0.9%
9	Canada	12	0.8%
10	Australia	10	0.7%
11	Bulgaria	9	0.6%
12	Turkey	8	0.5%
13	Ukraine	8	0.5%
14	Cyprus	7	0.5%
15	Korea, Republic of	6	0.4%
16	United Kingdom	5	0.3%
17	Hong Kong	5	0.3%
18	Ireland	4	0.3%
19	Italy	4	0.3%
20	India	3	0.2%
21	Cote D'ivoire	3	0.2%
22	Brazil	3	0.2%
23	Morocco	3	0.2%
24	Mongolia	2	0.1%
25	Romania	2	0.1%
26	Singapore	2	0.1%
27	Switzerland	2	0.1%
28	Argentina	2	0.1%
29	Austria	2	0.1%
30	Finland	2	0.1%
31	Taiwan	1	0.1%
32	Spain	1	0.1%
33	Sweden	1	0.1%