Rank	Countries/Territories	Count	Percent
1	United States	449	36.4%
2	China	402	32.6%
3	Germany	127	10.3%
4	Netherlands	54	4.4%
5	France	33	2.7%
6	Japan	21	1.7%
7	Canada	17	1.4%
8		17	1.4%
9	Spain	17	1.4%
10	Australia	15	1.2%
11	Singapore	11	0.9%
12	Korea, Republic of	10	0.8%
13	Norway	8	0.6%
14	Ukraine	8	0.6%
15	Taiwan	6	0.5%
16	Malaysia	5	0.4%
17	Cyprus	5	0.4%
18	United Kingdom	4	0.3%
19	Pakistan	4	0.3%
20	Brazil	3	0.2%
21	Argentina	3	0.2%
22	Egypt	2	0.2%
23	Latvia	2	0.2%
24	Italy	2	0.2%
25	Viet Nam	2	0.2%
26	Switzerland	1	0.1%
27	Thailand	1	0.1%
28	Ireland	1	0.1%
29	Mexico	1	0.1%
30	Austria	1	0.1%