Rank	Countries/Territories	Count	Percent
1	United States	312	31.2%
2	China	238	23.8%
3	Austria	75	7.5%
4	Germany	60	6%
5	India	32	3.2%
6	Japan	27	2.7%
7	Thailand	21	2.1%
8	Canada	17	1.7%
9	Ecuador	17	1.7%
10	Netherlands	16	1.6%
11	Mexico	13	1.3%
12	Taiwan	12	1.2%
13	Singapore	11	1.1%
14	Australia	11	1.1%
15	Azerbaijan	10	1%
16	Korea, Republic of	10	1%
17	Italy	9	0.9%
18	Peru	9	0.9%
19	Philippines	9	0.9%
20	Ukraine	9	0.9%
21	United Kingdom	8	0.8%
22	Russia	7	0.7%
23	France	7	0.7%
24	Hong Kong	7	0.7%
25	Yemen	5	0.5%
26	Bulgaria	4	0.4%
27	Cyprus	4	0.4%
28	Nicaragua	3	0.3%
29	Ireland	3	0.3%
30	Indonesia	3	0.3%
31	Viet Nam	3	0.3%
32	Pakistan	3	0.3%
33	South Africa	2	0.2%
34	Iran, Islamic Republic of	2	0.2%
35	Iraq	2	0.2%
36	Norway	2	0.2%
37	Argentina	2	0.2%
38	Egypt	2	0.2%
39	Georgia	1	0.1%
40	Hungary	1	0.1%
41	Greece	1	0.1%
42	Afghanistan	1	0.1%
43	Bangladesh	1	0.1%
44	Portugal	1	0.1%
45	Libya	1	0.1%
46	Malaysia	1	0.1%
47	Mauritius	1	0.1%
48	Sweden	1	0.1%
49	Switzerland	1	0.1%
50	Syrian Arab Republic	1	0.1%
51	Slovakia	1	0.1%