Rank	Countries/Territories	Count	Percent
1	United States	170	35.9%
2	China	147	31%
3	Germany	46	9.7%
4	Japan	24	5.1%
5	Canada	18	3.8%
6	Netherlands	9	1.9%
7	Norway	7	1.5%
8	Brazil	6	1.3%
9	France	6	1.3%
10	United Kingdom	5	1.1%
11	Russia	5	1.1%
12	India	5	1.1%
13	Belarus	4	0.8%
14	Egypt	4	0.8%
15	Korea, Republic of	4	0.8%
16	Singapore	3	0.6%
17	Hungary	2	0.4%
18	Australia	2	0.4%
19	Austria	2	0.4%
20	Malaysia	2	0.4%
21	Cyprus	1	0.2%
22	Ireland	1	0.2%
23	Ukraine	1	0.2%