Rank	Countries/Territories	Count	Percent
1	United States	220	42.1%
2	China	133	25.4%
3	Germany	46	8.8%
4	Japan	21	4%
5	Korea, Republic of	17	3.3%
6	India	14	2.7%
7	Singapore	8	1.5%
8	Russia	6	1.1%
9	Ireland	6	1.1%
10	Netherlands	6	1.1%
11	Greece	5	1%
12	France	5	1%
13	Hong Kong	4	0.8%
14	Uzbekistan	4	0.8%
15	Turkey	4	0.8%
16	Australia	3	0.6%
17	Brazil	3	0.6%
18	Canada	2	0.4%
19	Congo, The Democratic Republic of The	2	0.4%
20	Cyprus	2	0.4%
21	Ethiopia	2	0.4%
22	Israel	2	0.4%
23	Philippines	2	0.4%
24	United Arab Emirates	2	0.4%
25	Sweden	2	0.4%
26	Romania	1	0.2%
27	Georgia	1	0.2%