Rank	Countries/Territories	Count	Percent
1	United States	340	46.5%
2	China	211	28.9%
3	Germany	71	9.7%
4	Japan	28	3.8%
5	France	15	2.1%
6	Singapore	11	1.5%
7	Netherlands	10	1.4%
8	Belgium	8	1.1%
9	Canada	6	0.8%
10	India	6	0.8%
11	Australia	4	0.5%
12	Mongolia	3	0.4%
13	Ukraine	3	0.4%
14	Cyprus	2	0.3%
15	Philippines	2	0.3%
16	South Africa	2	0.3%
17	Switzerland	2	0.3%
18	Malaysia	2	0.3%
19	Korea, Republic of	1	0.1%
20	Lithuania	1	0.1%
21	Russia	1	0.1%
22	Ireland	1	0.1%
23	Argentina	1	0.1%