Rank	Countries/Territories	Count	Percent
1	United States	194	36.8%
2	China	122	23.1%
3	Japan	61	11.6%
4	Germany	52	9.9%
5	Singapore	14	2.7%
6	Netherlands	11	2.1%
7	India	7	1.3%
8	Canada	5	0.9%
9	Taiwan	5	0.9%
10	France	5	0.9%
11	Russia	5	0.9%
12	United Kingdom	5	0.9%
13	Ukraine	4	0.8%
14	Poland	3	0.6%
15	Romania	3	0.6%
16	Brazil	3	0.6%
17	Algeria	3	0.6%
18	Iran, Islamic Republic of	3	0.6%
19	Korea, Republic of	3	0.6%
20	Norway	2	0.4%
21	Greece	2	0.4%
22	Thailand	2	0.4%
23	Slovakia	2	0.4%
24	Sweden	2	0.4%
25	Uzbekistan	2	0.4%
26	Turkey	1	0.2%
27	Hong Kong	1	0.2%
28	Cyprus	1	0.2%
29	Argentina	1	0.2%
30	Paraguay	1	0.2%
31	Philippines	1	0.2%
32	Lithuania	1	0.2%