Rank	Countries/Territories	Count	Percent
1	United States	459	36.4%
2	China	348	27.6%
3	Germany	137	10.9%
4	Greece	50	4%
5	France	32	2.5%
6	India	28	2.2%
7	Japan	17	1.3%
8	Netherlands	17	1.3%
9		17	1.3%
10	Belgium	16	1.3%
11	Hungary	13	1%
12	Canada	11	0.9%
13	Australia	11	0.9%
14	Russia	11	0.9%
15	Italy	10	0.8%
16	Turkey	9	0.7%
17	Singapore	8	0.6%
18	Cyprus	6	0.5%
19	Denmark	5	0.4%
20	Hong Kong	5	0.4%
21	Ukraine	5	0.4%
22	Ireland	4	0.3%
23	Korea, Republic of	3	0.2%
24	Morocco	3	0.2%
25	Portugal	3	0.2%
26	Algeria	3	0.2%
27	Chile	3	0.2%
28	Switzerland	3	0.2%
29	Tunisia	2	0.2%
30	Bangladesh	2	0.2%
31	Colombia	2	0.2%
32	Norway	2	0.2%
33	Palestine, State of	2	0.2%
34	Malaysia	2	0.2%
35	Mauritius	2	0.2%
36	Mexico	2	0.2%
37	Mongolia	1	0.1%
38	Iran, Islamic Republic of	1	0.1%
39	Poland	1	0.1%
40	Nigeria	1	0.1%
41	Saudi Arabia	1	0.1%
42	Argentina	1	0.1%
43	Brazil	1	0.1%
44	United Kingdom	1	0.1%
45	Viet Nam	1	0.1%