Rank	Countries/Territories	Count	Percent
1	United States	374	43%
2	China	258	29.7%
3	Germany	101	11.6%
4	France	34	3.9%
5	Canada	21	2.4%
6	Japan	18	2.1%
7	Netherlands	16	1.8%
8	Singapore	7	0.8%
9	India	6	0.7%
10	Australia	6	0.7%
11	Hong Kong	3	0.3%
12	Korea, Republic of	3	0.3%
13	Iran, Islamic Republic of	2	0.2%
14	Argentina	2	0.2%
15	Cyprus	2	0.2%
16	Philippines	2	0.2%
17	Romania	2	0.2%
18	Mongolia	2	0.2%
19	Ukraine	2	0.2%
20	United Kingdom	1	0.1%
21	Russia	1	0.1%
22	Spain	1	0.1%
23	Switzerland	1	0.1%
24	Georgia	1	0.1%
25	Indonesia	1	0.1%
26	Malaysia	1	0.1%
27	Norway	1	0.1%