Rank	Countries/Territories	Count	Percent
1	United States	528	34.9%
2	China	429	28.4%
3	Japan	128	8.5%
4	Germany	114	7.5%
5	Belgium	34	2.2%
6	Canada	25	1.7%
7		23	1.5%
8	Australia	20	1.3%
9	Singapore	20	1.3%
10	France	17	1.1%
11	United Kingdom	15	1%
12	India	15	1%
13	Korea, Republic of	15	1%
14	Netherlands	14	0.9%
15	Spain	12	0.8%
16	Norway	11	0.7%
17	Cyprus	8	0.5%
18	Taiwan	8	0.5%
19	Switzerland	7	0.5%
20	Argentina	6	0.4%
21	Austria	4	0.3%
22	Hong Kong	4	0.3%
23	Russia	4	0.3%
24	Sweden	4	0.3%
25	Ukraine	3	0.2%
26	Mongolia	3	0.2%
27	Iran, Islamic Republic of	3	0.2%
28	Ireland	3	0.2%
29	Israel	3	0.2%
30	Italy	3	0.2%
31	Greece	3	0.2%
32	Egypt	2	0.1%
33	Hungary	2	0.1%
34	Indonesia	2	0.1%
35	Brazil	2	0.1%
36	Lebanon	2	0.1%
37	Jordan	2	0.1%
38	Nepal	2	0.1%
39	Portugal	2	0.1%
40	Thailand	2	0.1%
41	Turkey	1	0.1%
42	Romania	1	0.1%
43	Saudi Arabia	1	0.1%
44	Poland	1	0.1%
45	Malaysia	1	0.1%
46	Iraq	1	0.1%
47	Cambodia	1	0.1%
48	Algeria	1	0.1%