Rank	Countries/Territories	Count	Percent
1	United States	269	35.9%
2	China	219	29.2%
3	Germany	91	12.1%
4	Australia	65	8.7%
5	Canada	18	2.4%
6	Japan	16	2.1%
7	India	15	2%
8	Russia	11	1.5%
9	Netherlands	10	1.3%
10	France	10	1.3%
11	Slovakia	4	0.5%
12	Cyprus	3	0.4%
13	Denmark	3	0.4%
14	United Kingdom	3	0.4%
15	Switzerland	2	0.3%
16	Austria	2	0.3%
17	Ireland	2	0.3%
18	Singapore	2	0.3%
19	Romania	2	0.3%
20	Kenya	1	0.1%
21	South Africa	1	0.1%
22	Ukraine	1	0.1%