Rank	Countries/Territories	Count	Percent
1	United States	423	39.1%
2	China	278	25.7%
3	Germany	106	9.8%
4	United Kingdom	43	4%
5	Greece	39	3.6%
6	Colombia	25	2.3%
7	Japan	23	2.1%
8	Netherlands	20	1.8%
9	Canada	15	1.4%
10	France	10	0.9%
11	India	10	0.9%
12	Singapore	10	0.9%
13	Sweden	8	0.7%
14	Italy	8	0.7%
15	Cyprus	8	0.7%
16	Australia	7	0.6%
17	Korea, Republic of	6	0.6%
18	Taiwan	5	0.5%
19	Russia	4	0.4%
20	Palestine, State of	3	0.3%
21	Mexico	3	0.3%
22	Viet Nam	3	0.3%
23	Norway	2	0.2%
24	Switzerland	2	0.2%
25	Moldova, Republic of	2	0.2%
26	Iran, Islamic Republic of	2	0.2%
27	Hong Kong	2	0.2%
28	Argentina	2	0.2%
29	Denmark	2	0.2%
30	Finland	2	0.2%
31	Belarus	1	0.1%
32	Ireland	1	0.1%
33	Libya	1	0.1%
34	Nigeria	1	0.1%
35	Philippines	1	0.1%
36	Romania	1	0.1%
37	Senegal	1	0.1%
38	Slovakia	1	0.1%
39	South Africa	1	0.1%