Rank	Countries/Territories	Count	Percent
1	United States	466	41.9%
2	China	355	32%
3	Germany	100	9%
4		30	2.7%
5	Taiwan	21	1.9%
6	France	16	1.4%
7	Mongolia	14	1.3%
8	Netherlands	14	1.3%
9	Singapore	13	1.2%
10	Australia	11	1%
11	India	10	0.9%
12	Switzerland	9	0.8%
13	United Kingdom	7	0.6%
14	Korea, Republic of	7	0.6%
15	Hong Kong	4	0.4%
16	Argentina	4	0.4%
17	Cyprus	4	0.4%
18	Canada	3	0.3%
19	Japan	3	0.3%
20	Ukraine	2	0.2%
21	South Africa	2	0.2%
22	Spain	2	0.2%
23	Palestine, State of	2	0.2%
24	New Zealand	2	0.2%
25	Norway	1	0.1%
26	Russia	1	0.1%
27	Slovenia	1	0.1%
28	Thailand	1	0.1%
29	Indonesia	1	0.1%
30	Israel	1	0.1%
31	Ecuador	1	0.1%
32	Finland	1	0.1%
33	Brazil	1	0.1%
34	Bulgaria	1	0.1%