Rank	Countries/Territories	Count	Percent
1	United States	534	48.5%
2	China	203	18.4%
3	Germany	123	11.2%
4	Japan	58	5.3%
5	France	52	4.7%
6	Singapore	17	1.5%
7	Spain	16	1.5%
8	Netherlands	15	1.4%
9	United Kingdom	13	1.2%
10	Australia	11	1%
11	Canada	7	0.6%
12	Korea, Republic of	7	0.6%
13	Ireland	5	0.5%
14	Hungary	5	0.5%
15	Cyprus	5	0.5%
16	Denmark	3	0.3%
17	Belgium	2	0.2%
18	Brazil	2	0.2%
19	India	2	0.2%
20	Iran, Islamic Republic of	2	0.2%
21	Hong Kong	2	0.2%
22	Argentina	2	0.2%
23	Sweden	2	0.2%
24	Finland	2	0.2%
25	Russia	2	0.2%
26	Italy	1	0.1%
27	Mongolia	1	0.1%
28	Norway	1	0.1%
29	Philippines	1	0.1%
30	Poland	1	0.1%
31	Romania	1	0.1%
32	Georgia	1	0.1%
33	Azerbaijan	1	0.1%
34	Egypt	1	0.1%