Rank	Countries/Territories	Count	Percent
1	United States	237	41.8%
2	China	220	38.8%
3	Japan	42	7.4%
4	Germany	10	1.8%
5	Australia	7	1.2%
6	Netherlands	7	1.2%
7	Russia	7	1.2%
8	Singapore	6	1.1%
9	France	6	1.1%
10	Canada	4	0.7%
11	Taiwan	4	0.7%
12	Korea, Republic of	3	0.5%
13	Lithuania	2	0.4%
14	Ireland	2	0.4%
15	Spain	2	0.4%
16	New Zealand	2	0.4%
17	Argentina	2	0.4%
18	Bulgaria	2	0.4%
19	India	1	0.2%
20	Italy	1	0.2%