Rank	Countries/Territories	Count	Percent
1	United States	529	43.5%
2	China	264	21.7%
3	Germany	71	5.8%
4	Canada	51	4.2%
5	Netherlands	31	2.5%
6	New Zealand	31	2.5%
7	Ireland	28	2.3%
8	Australia	26	2.1%
9	Japan	24	2%
10	United Kingdom	23	1.9%
11	Korea, Republic of	20	1.6%
12	India	14	1.2%
13	France	14	1.2%
14	Sweden	10	0.8%
15	Switzerland	10	0.8%
16	Romania	7	0.6%
17	Italy	7	0.6%
18	Greece	6	0.5%
19	Singapore	5	0.4%
20	Taiwan	5	0.4%
21	South Africa	4	0.3%
22	Cyprus	4	0.3%
23	Egypt	3	0.2%
24	Spain	3	0.2%
25	Kuwait	3	0.2%
26	Saudi Arabia	3	0.2%
27	Ukraine	3	0.2%
28	Pakistan	2	0.2%
29	Poland	2	0.2%
30	Portugal	2	0.2%
31	Belgium	2	0.2%
32	Hong Kong	1	0.1%
33	Israel	1	0.1%
34	Croatia	1	0.1%
35	Austria	1	0.1%
36	Chile	1	0.1%
37	Norway	1	0.1%
38	Mauritius	1	0.1%
39	Russia	1	0.1%
40	Turkey	1	0.1%
41	Viet Nam	1	0.1%