Rank	Countries/Territories	Count	Percent
1	United States	426	46.9%
2	China	182	20%
3	Germany	93	10.2%
4	France	34	3.7%
5	Canada	28	3.1%
6	Japan	24	2.6%
7	Netherlands	24	2.6%
8		19	2.1%
9	Singapore	13	1.4%
10	Australia	9	1%
11	Korea, Republic of	7	0.8%
12	Hong Kong	7	0.8%
13	India	5	0.6%
14	Thailand	4	0.4%
15	Ukraine	4	0.4%
16	Russia	3	0.3%
17	Poland	3	0.3%
18	Ireland	3	0.3%
19	Czech Republic	3	0.3%
20	Argentina	2	0.2%
21	Belgium	2	0.2%
22	Cyprus	2	0.2%
23	Pakistan	2	0.2%
24	South Africa	2	0.2%
25	Viet Nam	2	0.2%
26	Switzerland	1	0.1%
27	Portugal	1	0.1%
28	Norway	1	0.1%
29	Bangladesh	1	0.1%
30	Mongolia	1	0.1%