Rank	Countries/Territories	Count	Percent
1	United States	448	47.6%
2	China	213	22.6%
3	Germany	112	11.9%
4	Japan	31	3.3%
5	Belgium	20	2.1%
6	Netherlands	19	2%
7	India	15	1.6%
8	Korea, Republic of	11	1.2%
9	United Kingdom	10	1.1%
10	Senegal	9	1%
11	Canada	7	0.7%
12	Thailand	7	0.7%
13	Singapore	5	0.5%
14	Brazil	4	0.4%
15	Ukraine	3	0.3%
16	Tunisia	2	0.2%
17	Saudi Arabia	2	0.2%
18	Romania	2	0.2%
19	France	2	0.2%
20	Indonesia	2	0.2%
21	Ireland	2	0.2%
22	Bosnia and Herzegovina	2	0.2%
23	Australia	2	0.2%
24	Bangladesh	2	0.2%
25	Croatia	2	0.2%
26	Cyprus	1	0.1%
27	Egypt	1	0.1%
28	Hong Kong	1	0.1%
29	Georgia	1	0.1%
30	Argentina	1	0.1%
31	Russia	1	0.1%
32	Viet Nam	1	0.1%