Rank	Countries/Territories	Count	Percent
1	United States	257	41.1%
2	China	248	39.7%
3	Japan	47	7.5%
4	Germany	10	1.6%
5	Singapore	8	1.3%
6	Australia	7	1.1%
7	Netherlands	7	1.1%
8	Russia	7	1.1%
9	France	6	1%
10	Canada	4	0.6%
11	Taiwan	4	0.6%
12	Korea, Republic of	3	0.5%
13	Lithuania	2	0.3%
14	Ireland	2	0.3%
15	New Zealand	2	0.3%
16	Argentina	2	0.3%
17	Bulgaria	2	0.3%
18	Spain	2	0.3%
19	United Kingdom	1	0.2%
20	Brazil	1	0.2%
21	India	1	0.2%
22	Pakistan	1	0.2%
23	Italy	1	0.2%