Rank	Countries/Territories	Count	Percent
1	United States	599	37.7%
2	China	307	19.3%
3	Germany	122	7.7%
4	Australia	50	3.1%
5	United Kingdom	45	2.8%
6	Spain	43	2.7%
7	France	43	2.7%
8	Netherlands	36	2.3%
9	Denmark	29	1.8%
10	India	28	1.8%
11	Italy	24	1.5%
12	Mexico	24	1.5%
13	Pakistan	17	1.1%
14	Canada	16	1%
15	Korea, Republic of	15	0.9%
16	Thailand	15	0.9%
17	Singapore	14	0.9%
18	Sweden	13	0.8%
19	Iran, Islamic Republic of	12	0.8%
20	Czech Republic	11	0.7%
21	Romania	11	0.7%
22	Taiwan	9	0.6%
23	Japan	8	0.5%
24	Lithuania	8	0.5%
25	Ireland	7	0.4%
26	Guatemala	6	0.4%
27	Hong Kong	5	0.3%
28	Indonesia	5	0.3%
29	Norway	5	0.3%
30	Cyprus	5	0.3%
31	Argentina	5	0.3%
32	Malaysia	4	0.3%
33	Portugal	4	0.3%
34	Turkey	4	0.3%
35	Viet Nam	4	0.3%
36	Russia	4	0.3%
37	Poland	3	0.2%
38	Bulgaria	3	0.2%
39	Ecuador	3	0.2%
40	Bangladesh	2	0.1%
41	Belarus	2	0.1%
42	Belgium	2	0.1%
43	Jordan	2	0.1%
44	Slovenia	2	0.1%
45	Switzerland	2	0.1%
46	Syrian Arab Republic	2	0.1%
47	United Arab Emirates	2	0.1%
48	Israel	1	0.1%
49	Panama	1	0.1%
50	Peru	1	0.1%
51	Brazil	1	0.1%
52	Andorra	1	0.1%
53	Finland	1	0.1%
54	Greece	1	0.1%