Rank	Countries/Territories	Count	Percent
1	United States	386	46.4%
2	China	221	26.6%
3	Germany	57	6.9%
4	Australia	15	1.8%
5	Japan	13	1.6%
6	Netherlands	13	1.6%
7	Korea, Republic of	12	1.4%
8	France	11	1.3%
9	Brazil	10	1.2%
10	Canada	8	1%
11	Switzerland	8	1%
12	Belgium	7	0.8%
13	Egypt	6	0.7%
14	Singapore	6	0.7%
15	Portugal	6	0.7%
16	Malaysia	5	0.6%
17	Poland	4	0.5%
18	Indonesia	4	0.5%
19	Cyprus	4	0.5%
20	Sweden	4	0.5%
21	Denmark	3	0.4%
22	Argentina	3	0.4%
23	Macao	3	0.4%
24	Kyrgyzstan	2	0.2%
25	Saudi Arabia	2	0.2%
26	Spain	2	0.2%
27	Ethiopia	2	0.2%
28	Hong Kong	2	0.2%
29	Hungary	2	0.2%
30	Ukraine	2	0.2%
31	United Kingdom	1	0.1%
32	India	1	0.1%
33	Ireland	1	0.1%
34	Bulgaria	1	0.1%
35	Thailand	1	0.1%
36	Turkey	1	0.1%
37	Russia	1	0.1%
38	Mexico	1	0.1%
39	Norway	1	0.1%