Rank	Countries/Territories	Count	Percent
1	United States	601	41.7%
2	China	417	29%
3	Germany	68	4.7%
4	Greece	59	4.1%
5	Korea, Republic of	48	3.3%
6	Singapore	41	2.8%
7	France	30	2.1%
8	United Kingdom	19	1.3%
9	Hong Kong	18	1.2%
10	Australia	18	1.2%
11	Netherlands	16	1.1%
12	Canada	14	1%
13	Japan	11	0.8%
14	India	10	0.7%
15	Russia	7	0.5%
16	Italy	6	0.4%
17	Belgium	5	0.3%
18	Saudi Arabia	5	0.3%
19	Poland	5	0.3%
20	Pakistan	4	0.3%
21	Latvia	3	0.2%
22	Brazil	3	0.2%
23	Argentina	3	0.2%
24	Cyprus	3	0.2%
25	Denmark	3	0.2%
26	Iran, Islamic Republic of	3	0.2%
27	Finland	3	0.2%
28	Ukraine	3	0.2%
29	Indonesia	2	0.1%
30	Malaysia	2	0.1%
31	Mongolia	2	0.1%
32	Taiwan	2	0.1%
33	Turkey	1	0.1%
34	South Africa	1	0.1%
35	Switzerland	1	0.1%
36	Romania	1	0.1%
37	Norway	1	0.1%
38	Egypt	1	0.1%