Rank	Countries/Territories	Count	Percent
1	United States	473	33.5%
2	China	464	32.9%
3	Germany	94	6.7%
4	Australia	47	3.3%
5	Japan	42	3%
6		28	2%
7	Netherlands	24	1.7%
8	Hong Kong	23	1.6%
9	Singapore	22	1.6%
10	Taiwan	18	1.3%
11	Korea, Republic of	11	0.8%
12	Canada	10	0.7%
13	United Kingdom	10	0.7%
14	France	8	0.6%
15	India	8	0.6%
16	Indonesia	8	0.6%
17	Iran, Islamic Republic of	7	0.5%
18	Ireland	7	0.5%
19	Italy	6	0.4%
20	Romania	6	0.4%
21	Russia	5	0.4%
22	Peru	5	0.4%
23	Switzerland	5	0.4%
24	Sri Lanka	4	0.3%
25	Slovakia	4	0.3%
26	Finland	4	0.3%
27	Ecuador	4	0.3%
28	Egypt	3	0.2%
29	Iraq	3	0.2%
30	Bangladesh	3	0.2%
31	Botswana	3	0.2%
32	Cuba	3	0.2%
33	Cyprus	3	0.2%
34	Denmark	3	0.2%
35	Latvia	3	0.2%
36	Mexico	3	0.2%
37	Mongolia	3	0.2%
38	Saudi Arabia	3	0.2%
39	Pakistan	3	0.2%
40	Turkey	3	0.2%
41	Tunisia	2	0.1%
42	Sweden	2	0.1%
43	South Africa	2	0.1%
44	Poland	2	0.1%
45	United Arab Emirates	2	0.1%
46	Malaysia	2	0.1%
47	Norway	2	0.1%
48	Israel	2	0.1%
49	Brazil	2	0.1%
50	Argentina	1	0.1%
51	Lithuania	1	0.1%
52	Luxembourg	1	0.1%
53	New Zealand	1	0.1%
54	Qatar	1	0.1%
55	Philippines	1	0.1%
56	Uganda	1	0.1%
57	Ukraine	1	0.1%