Rank	Countries/Territories	Count	Percent
1	United States	680	51.7%
2	China	145	11%
3	Germany	103	7.8%
4	Canada	39	3%
5	India	33	2.5%
6	Netherlands	32	2.4%
7	United Kingdom	27	2.1%
8	Australia	17	1.3%
9	Greece	15	1.1%
10	Russia	15	1.1%
11	Japan	14	1.1%
12	Austria	14	1.1%
13	Turkey	14	1.1%
14	Ireland	11	0.8%
15	France	10	0.8%
16	Cyprus	9	0.7%
17	Saudi Arabia	8	0.6%
18	United Arab Emirates	8	0.6%
19	Thailand	7	0.5%
20	Indonesia	7	0.5%
21	Singapore	6	0.5%
22	Romania	6	0.5%
23	Sweden	6	0.5%
24	Switzerland	6	0.5%
25	Syrian Arab Republic	6	0.5%
26	Jamaica	5	0.4%
27	Iran, Islamic Republic of	5	0.4%
28	Israel	5	0.4%
29	Hong Kong	4	0.3%
30	Egypt	4	0.3%
31	Argentina	4	0.3%
32	Mexico	4	0.3%
33	Philippines	4	0.3%
34	Poland	4	0.3%
35	Spain	4	0.3%
36	Taiwan	4	0.3%
37	Slovenia	3	0.2%
38	Jordan	3	0.2%
39	Korea, Republic of	2	0.2%
40	New Zealand	2	0.2%
41	Qatar	2	0.2%
42	Mongolia	2	0.2%
43	Czech Republic	2	0.2%
44	Hungary	2	0.2%
45	Ukraine	2	0.2%
46	Viet Nam	1	0.1%
47	Sri Lanka	1	0.1%
48	Italy	1	0.1%
49	Brazil	1	0.1%
50	South Africa	1	0.1%
51	Nigeria	1	0.1%
52	Norway	1	0.1%
53	Pakistan	1	0.1%
54	Latvia	1	0.1%
55	Malaysia	1	0.1%