Rank	Countries/Territories	Count	Percent
1	United States	398	43.4%
2	China	146	15.9%
3	Japan	72	7.9%
4	Germany	52	5.7%
5	Mexico	50	5.5%
6		49	5.3%
7	Singapore	24	2.6%
8	United Kingdom	17	1.9%
9	Brazil	15	1.6%
10	Spain	14	1.5%
11	France	10	1.1%
12	Netherlands	8	0.9%
13	Cyprus	8	0.9%
14	Switzerland	6	0.7%
15	India	5	0.5%
16	Belgium	4	0.4%
17	Thailand	4	0.4%
18	Russia	4	0.4%
19	Australia	3	0.3%
20	Ireland	3	0.3%
21	Canada	3	0.3%
22	Mongolia	2	0.2%
23	Korea, Republic of	2	0.2%
24	Argentina	2	0.2%
25	Ecuador	2	0.2%
26	Estonia	2	0.2%
27	Nigeria	2	0.2%
28	Poland	2	0.2%
29	Romania	2	0.2%
30	Ukraine	2	0.2%
31	Taiwan	1	0.1%
32	Virgin Islands, British	1	0.1%
33	Sweden	1	0.1%