Rank	Countries/Territories	Count	Percent
1	United States	230	41.4%
2	China	134	24.1%
3	Germany	49	8.8%
4	France	43	7.7%
5	Canada	19	3.4%
6	Netherlands	16	2.9%
7	Brazil	13	2.3%
8	India	10	1.8%
9	Japan	6	1.1%
10	Russia	5	0.9%
11	Spain	4	0.7%
12	Singapore	3	0.5%
13	Malaysia	3	0.5%
14	Cyprus	3	0.5%
15	Australia	2	0.4%
16	Ireland	2	0.4%
17	Kazakhstan	2	0.4%
18	New Zealand	2	0.4%
19	Pakistan	2	0.4%
20	Ukraine	2	0.4%
21	Switzerland	2	0.4%
22	Taiwan	1	0.2%
23	Turkey	1	0.2%
24	Romania	1	0.2%
25	Iran, Islamic Republic of	1	0.2%