Rank	Countries/Territories	Count	Percent
1	United States	958	70%
2	China	128	9.3%
3	Germany	90	6.6%
4	Canada	52	3.8%
5	India	17	1.2%
6	Netherlands	14	1%
7	Sweden	13	0.9%
8	Japan	12	0.9%
9	France	11	0.8%
10	Slovenia	9	0.7%
11	Italy	8	0.6%
12	United Kingdom	8	0.6%
13	Serbia	6	0.4%
14	Australia	5	0.4%
15	Israel	4	0.3%
16	Pakistan	4	0.3%
17	Romania	4	0.3%
18	Singapore	3	0.2%
19	Cyprus	3	0.2%
20	Lithuania	2	0.1%
21	Iran, Islamic Republic of	2	0.1%
22	Ireland	2	0.1%
23	Russia	2	0.1%
24	Senegal	2	0.1%
25	Spain	2	0.1%
26	Ukraine	1	0.1%
27	Slovakia	1	0.1%
28	Norway	1	0.1%
29	Austria	1	0.1%
30	Argentina	1	0.1%
31	Mongolia	1	0.1%
32	Morocco	1	0.1%
33	Finland	1	0.1%