Rank	Countries/Territories	Count	Percent
1	United States	397	38.5%
2	China	321	31.2%
3	Germany	111	10.8%
4	France	78	7.6%
5	Japan	34	3.3%
6	Canada	15	1.5%
7	Switzerland	13	1.3%
8	Netherlands	9	0.9%
9	India	9	0.9%
10	Cyprus	7	0.7%
11	Taiwan	6	0.6%
12	Philippines	3	0.3%
13	Australia	3	0.3%
14	Hong Kong	3	0.3%
15	Latvia	2	0.2%
16		2	0.2%
17	Argentina	2	0.2%
18	Singapore	2	0.2%
19	Viet Nam	2	0.2%
20	Pakistan	2	0.2%
21	United Kingdom	2	0.2%
22	Sweden	1	0.1%
23	Ukraine	1	0.1%
24	Bulgaria	1	0.1%
25	Egypt	1	0.1%
26	Mongolia	1	0.1%
27	Norway	1	0.1%
28	Ireland	1	0.1%