Rank	Countries/Territories	Count	Percent
1	United States	442	38.4%
2	China	280	24.3%
3	Germany	90	7.8%
4	Japan	44	3.8%
5	France	41	3.6%
6	United Kingdom	25	2.2%
7	Netherlands	22	1.9%
8	India	21	1.8%
9	Canada	17	1.5%
10	Mexico	12	1%
11	Mongolia	12	1%
12	Ukraine	12	1%
13	Singapore	12	1%
14	Australia	11	1%
15	Hong Kong	11	1%
16	Italy	10	0.9%
17	Norway	8	0.7%
18	Brazil	8	0.7%
19	Albania	6	0.5%
20	Cyprus	6	0.5%
21	Ireland	5	0.4%
22	Finland	4	0.3%
23	Colombia	4	0.3%
24	Turkey	4	0.3%
25	Romania	3	0.3%
26	Spain	3	0.3%
27	Switzerland	3	0.3%
28	Argentina	3	0.3%
29	Iran, Islamic Republic of	3	0.3%
30	Korea, Republic of	2	0.2%
31	Nicaragua	2	0.2%
32	Nigeria	2	0.2%
33	Bangladesh	2	0.2%
34	Belgium	2	0.2%
35	Egypt	2	0.2%
36	Indonesia	2	0.2%
37	Venezuela, Bolivarian Republic of	2	0.2%
38	Zambia	2	0.2%
39	Taiwan	1	0.1%
40	Thailand	1	0.1%
41	South Africa	1	0.1%
42	Hungary	1	0.1%
43	Ethiopia	1	0.1%
44	Poland	1	0.1%
45	Portugal	1	0.1%
46	New Zealand	1	0.1%
47	Malaysia	1	0.1%
48	Mauritius	1	0.1%
49	Israel	1	0.1%