Rank	Countries/Territories	Count	Percent
1	United States	581	36.5%
2	China	416	26.1%
3	Germany	159	10%
4	Canada	62	3.9%
5	France	50	3.1%
6	Italy	47	3%
7	United Kingdom	38	2.4%
8	Japan	31	1.9%
9	Netherlands	18	1.1%
10	Australia	16	1%
11	Korea, Republic of	15	0.9%
12	Mexico	11	0.7%
13	India	11	0.7%
14	Singapore	11	0.7%
15	Hong Kong	10	0.6%
16	Cyprus	9	0.6%
17	Ireland	8	0.5%
18	Brazil	7	0.4%
19	Greece	7	0.4%
20	Iran, Islamic Republic of	6	0.4%
21	South Africa	6	0.4%
22	Russia	6	0.4%
23	New Zealand	5	0.3%
24	Indonesia	5	0.3%
25	Israel	3	0.2%
26	Mongolia	3	0.2%
27	Malaysia	3	0.2%
28	Chile	3	0.2%
29	Argentina	3	0.2%
30	Philippines	3	0.2%
31	Sweden	3	0.2%
32	Serbia	3	0.2%
33	Ukraine	3	0.2%
34	Zimbabwe	2	0.1%
35	Libya	2	0.1%
36	Switzerland	2	0.1%
37	Taiwan	2	0.1%
38	Saudi Arabia	2	0.1%
39	Mauritius	2	0.1%
40	Lebanon	1	0.1%
41	Iraq	1	0.1%
42	Hungary	1	0.1%
43	Antigua and Barbuda	1	0.1%
44	Bahrain	1	0.1%
45	Belgium	1	0.1%
46	Bosnia and Herzegovina	1	0.1%
47	Czech Republic	1	0.1%
48	Ecuador	1	0.1%
49	Puerto Rico	1	0.1%
50	Nicaragua	1	0.1%
51	Paraguay	1	0.1%
52	Spain	1	0.1%
53	Sri Lanka	1	0.1%
54	Slovakia	1	0.1%
55	Viet Nam	1	0.1%
56	Yemen	1	0.1%