Rank	Countries/Territories	Count	Percent
1	United States	510	40.9%
2	China	424	34%
3	Germany	76	6.1%
4	Japan	40	3.2%
5	France	35	2.8%
6	Korea, Republic of	31	2.5%
7	Canada	18	1.4%
8	Netherlands	16	1.3%
9	India	15	1.2%
10	United Kingdom	14	1.1%
11	Sweden	13	1%
12	Australia	13	1%
13	Iran, Islamic Republic of	10	0.8%
14	Cyprus	4	0.3%
15	Singapore	3	0.2%
16	Ukraine	3	0.2%
17	Ireland	2	0.2%
18	Albania	2	0.2%
19	Argentina	2	0.2%
20	Bangladesh	2	0.2%
21	Luxembourg	2	0.2%
22	Malaysia	2	0.2%
23	Hong Kong	1	0.1%
24	Brazil	1	0.1%
25	Bulgaria	1	0.1%
26	Egypt	1	0.1%
27	Spain	1	0.1%
28	Philippines	1	0.1%
29	Romania	1	0.1%
30	Russia	1	0.1%
31	Taiwan	1	0.1%
32	Turkey	1	0.1%