Rank	Countries/Territories	Count	Percent
1	United States	329	39.4%
2	China	248	29.7%
3	Germany	87	10.4%
4	Netherlands	46	5.5%
5	France	43	5.1%
6	Japan	32	3.8%
7	Canada	9	1.1%
8	Brazil	7	0.8%
9	Singapore	6	0.7%
10	India	4	0.5%
11	Iran, Islamic Republic of	3	0.4%
12	Korea, Republic of	3	0.4%
13	Malaysia	2	0.2%
14	Australia	2	0.2%
15	Czech Republic	2	0.2%
16	Ukraine	2	0.2%
17	Norway	2	0.2%
18	Philippines	2	0.2%
19	Russia	1	0.1%
20	Switzerland	1	0.1%
21	Cyprus	1	0.1%
22	Argentina	1	0.1%
23	Mongolia	1	0.1%
24	Ireland	1	0.1%