Rank	Countries/Territories	Count	Percent
1	United States	587	40.8%
2	China	290	20.2%
3	Germany	91	6.3%
4	Canada	59	4.1%
5	Sweden	52	3.6%
6	France	40	2.8%
7	India	39	2.7%
8	New Zealand	32	2.2%
9	Mexico	22	1.5%
10	Netherlands	19	1.3%
11	United Kingdom	14	1%
12	Russia	12	0.8%
13	Australia	12	0.8%
14	Austria	12	0.8%
15	Cyprus	11	0.8%
16	Singapore	11	0.8%
17	Iran, Islamic Republic of	10	0.7%
18	Norway	9	0.6%
19	Ireland	8	0.6%
20	Japan	8	0.6%
21	South Africa	8	0.6%
22	Pakistan	7	0.5%
23	Hong Kong	6	0.4%
24	Colombia	6	0.4%
25	Afghanistan	5	0.3%
26	Malaysia	5	0.3%
27	Indonesia	5	0.3%
28	Switzerland	5	0.3%
29	Philippines	4	0.3%
30	Poland	4	0.3%
31	Ukraine	4	0.3%
32	Argentina	4	0.3%
33	Brazil	4	0.3%
34	Bulgaria	3	0.2%
35	Czech Republic	3	0.2%
36	Denmark	3	0.2%
37	Korea, Republic of	3	0.2%
38	Turkey	3	0.2%
39	Romania	2	0.1%
40	Greece	2	0.1%
41	Egypt	2	0.1%
42	Chile	2	0.1%
43	Bosnia and Herzegovina	1	0.1%
44	El Salvador	1	0.1%
45	Ethiopia	1	0.1%
46	Croatia	1	0.1%
47	Ecuador	1	0.1%
48	Ghana	1	0.1%
49	Panama	1	0.1%
50	Taiwan	1	0.1%
51	Thailand	1	0.1%
52	Slovakia	1	0.1%