Rank	Countries/Territories	Count	Percent
1	United States	325	38%
2	China	279	32.6%
3	Germany	64	7.5%
4	France	24	2.8%
5	Switzerland	18	2.1%
6	Japan	17	2%
7	Korea, Republic of	15	1.8%
8	Cyprus	15	1.8%
9	Singapore	12	1.4%
10	Russia	10	1.2%
11	Netherlands	9	1.1%
12	Spain	6	0.7%
13	Ecuador	6	0.7%
14	India	6	0.7%
15	Ghana	5	0.6%
16	Canada	5	0.6%
17	Hong Kong	4	0.5%
18	Ireland	4	0.5%
19	Malaysia	4	0.5%
20	Romania	4	0.5%
21	Philippines	4	0.5%
22	Turkey	3	0.4%
23	Mongolia	3	0.4%
24	Ethiopia	2	0.2%
25	Pakistan	2	0.2%
26	Sweden	2	0.2%
27	Portugal	1	0.1%
28	Ukraine	1	0.1%
29	Thailand	1	0.1%
30	Australia	1	0.1%
31	Czech Republic	1	0.1%
32	Denmark	1	0.1%
33	Italy	1	0.1%