Rank	Countries/Territories	Count	Percent
1	United States	172	45.3%
2	China	82	21.6%
3	Germany	45	11.8%
4	Australia	11	2.9%
5	Netherlands	11	2.9%
6	Korea, Republic of	9	2.4%
7	Russia	7	1.8%
8	France	6	1.6%
9	Canada	5	1.3%
10	India	4	1.1%
11	Spain	4	1.1%
12	Taiwan	3	0.8%
13	Turkey	2	0.5%
14	Switzerland	2	0.5%
15	Romania	2	0.5%
16	United Kingdom	2	0.5%
17	Nepal	2	0.5%
18	Cyprus	2	0.5%
19	Argentina	2	0.5%
20	Hong Kong	2	0.5%
21	Iran, Islamic Republic of	1	0.3%
22	Italy	1	0.3%
23	South Africa	1	0.3%
24	Philippines	1	0.3%
25	Ukraine	1	0.3%