Rank	Countries/Territories	Count	Percent
1	United States	560	44.4%
2	China	138	10.9%
3	Germany	108	8.6%
4	United Kingdom	48	3.8%
5	India	45	3.6%
6	Netherlands	43	3.4%
7	Canada	40	3.2%
8	Australia	38	3%
9	Ireland	37	2.9%
10	Japan	25	2%
11	New Zealand	25	2%
12	Korea, Republic of	15	1.2%
13	Brazil	10	0.8%
14	Spain	10	0.8%
15	Singapore	9	0.7%
16	Slovenia	7	0.6%
17	Switzerland	7	0.6%
18	Indonesia	7	0.6%
19	Cyprus	6	0.5%
20	South Africa	6	0.5%
21	Hungary	5	0.4%
22	Poland	5	0.4%
23	Portugal	5	0.4%
24	Kenya	4	0.3%
25	Italy	4	0.3%
26	France	4	0.3%
27	Chile	3	0.2%
28	Hong Kong	3	0.2%
29	Denmark	3	0.2%
30	Egypt	3	0.2%
31	Jamaica	3	0.2%
32	Russia	3	0.2%
33	Ukraine	3	0.2%
34	Taiwan	2	0.2%
35	Thailand	2	0.2%
36	Saudi Arabia	2	0.2%
37	Philippines	2	0.2%
38	Romania	2	0.2%
39	Mexico	2	0.2%
40	Morocco	2	0.2%
41	Namibia	2	0.2%
42	Norway	2	0.2%
43	Finland	2	0.2%
44	Argentina	2	0.2%
45	Belgium	1	0.1%
46	Pakistan	1	0.1%
47	Qatar	1	0.1%
48	Mongolia	1	0.1%
49	Malaysia	1	0.1%
50	Sweden	1	0.1%
51	Turkey	1	0.1%
52	Viet Nam	1	0.1%