Rank	Countries/Territories	Count	Percent
1	United States	718	42.2%
2	China	459	27%
3	Germany	144	8.5%
4	Canada	64	3.8%
5	Australia	47	2.8%
6	France	39	2.3%
7	Argentina	34	2%
8	Netherlands	32	1.9%
9	Japan	23	1.4%
10	United Kingdom	20	1.2%
11	Ireland	17	1%
12	India	17	1%
13	Switzerland	13	0.8%
14	Norway	10	0.6%
15	Korea, Republic of	10	0.6%
16	Indonesia	9	0.5%
17	Iran, Islamic Republic of	8	0.5%
18	Singapore	7	0.4%
19	Philippines	6	0.4%
20	Cyprus	5	0.3%
21	Latvia	5	0.3%
22	Georgia	3	0.2%
23	Malaysia	2	0.1%
24	Mauritius	1	0.1%
25	Mongolia	1	0.1%
26	New Zealand	1	0.1%
27	Romania	1	0.1%
28	Russia	1	0.1%
29	Sweden	1	0.1%
30	Turkey	1	0.1%
31	Ukraine	1	0.1%
32	United Arab Emirates	1	0.1%
33	Israel	1	0.1%
34	Lebanon	1	0.1%