Rank	Countries/Territories	Count	Percent
1	United States	641	49.8%
2	China	323	25.1%
3	Germany	107	8.3%
4	France	74	5.7%
5	Singapore	36	2.8%
6	Japan	24	1.9%
7	Netherlands	12	0.9%
8	Canada	11	0.9%
9	Cyprus	6	0.5%
10	Australia	6	0.5%
11	Belarus	6	0.5%
12	Korea, Republic of	6	0.5%
13	Hong Kong	6	0.5%
14	Taiwan	6	0.5%
15	Russia	5	0.4%
16	Mongolia	3	0.2%
17	India	2	0.2%
18	Ireland	2	0.2%
19	Israel	2	0.2%
20	Brazil	2	0.2%
21	Bulgaria	2	0.2%
22	Tanzania, United Republic of	2	0.2%
23	Norway	1	0.1%
24	Austria	1	0.1%
25	Nepal	1	0.1%
26	Malaysia	1	0.1%