Rank	Countries/Territories	Count	Percent
1	United States	362	49.7%
2	China	198	27.2%
3	Germany	47	6.4%
4	France	24	3.3%
5	Canada	15	2.1%
6	Korea, Republic of	13	1.8%
7	Ukraine	12	1.6%
8	Japan	9	1.2%
9	Taiwan	8	1.1%
10	Morocco	5	0.7%
11	Singapore	5	0.7%
12	Netherlands	4	0.5%
13	Argentina	4	0.5%
14	India	3	0.4%
15	Ireland	3	0.4%
16	Mongolia	3	0.4%
17	Malaysia	2	0.3%
18	Philippines	2	0.3%
19	Spain	2	0.3%
20	Australia	2	0.3%
21	Brazil	2	0.3%
22	Cyprus	2	0.3%
23	Thailand	2	0.3%