Rank	Countries/Territories	Count	Percent
1	United States	211	44.4%
2	China	117	24.6%
3	Germany	65	13.7%
4	France	16	3.4%
5	Japan	10	2.1%
6	Netherlands	9	1.9%
7	Canada	7	1.5%
8	India	7	1.5%
9	Taiwan	5	1.1%
10	Argentina	4	0.8%
11	Australia	3	0.6%
12	South Africa	3	0.6%
13	Spain	3	0.6%
14	Ireland	2	0.4%
15	Norway	2	0.4%
16	Poland	2	0.4%
17	Cyprus	2	0.4%
18	Egypt	2	0.4%
19	Brazil	1	0.2%
20	Iran, Islamic Republic of	1	0.2%
21	Russia	1	0.2%
22	Singapore	1	0.2%
23	Sweden	1	0.2%