Rank	Countries/Territories	Count	Percent
1	United States	355	45.5%
2	China	223	28.6%
3	Germany	63	8.1%
4	Taiwan	21	2.7%
5	France	15	1.9%
6	Mongolia	14	1.8%
7	Netherlands	14	1.8%
8	Singapore	11	1.4%
9	Switzerland	9	1.2%
10	Australia	8	1%
11	India	7	0.9%
12	Korea, Republic of	6	0.8%
13	United Kingdom	6	0.8%
14	Argentina	4	0.5%
15	Cyprus	3	0.4%
16	New Zealand	2	0.3%
17	South Africa	2	0.3%
18	Spain	2	0.3%
19	Hong Kong	2	0.3%
20	Palestine, State of	2	0.3%
21	Russia	1	0.1%
22	Slovenia	1	0.1%
23	Thailand	1	0.1%
24	Ukraine	1	0.1%
25	Norway	1	0.1%
26	Indonesia	1	0.1%
27	Israel	1	0.1%
28	Japan	1	0.1%
29	Ecuador	1	0.1%
30	Finland	1	0.1%
31	Bulgaria	1	0.1%
32	Canada	1	0.1%