Rank	Countries/Territories	Count	Percent
1	United States	279	34.5%
2	China	251	31%
3	Germany	64	7.9%
4	Russia	30	3.7%
5	France	18	2.2%
6	United Kingdom	15	1.9%
7	Singapore	14	1.7%
8	Japan	14	1.7%
9	Ireland	13	1.6%
10	Iran, Islamic Republic of	12	1.5%
11	Netherlands	11	1.4%
12	Korea, Republic of	10	1.2%
13	Argentina	9	1.1%
14	Belgium	9	1.1%
15	Australia	7	0.9%
16	Canada	7	0.9%
17	India	6	0.7%
18	Hong Kong	5	0.6%
19	Macao	5	0.6%
20	Philippines	4	0.5%
21	Poland	3	0.4%
22	Norway	3	0.4%
23	Switzerland	3	0.4%
24	Cyprus	3	0.4%
25	Denmark	2	0.2%
26	Israel	2	0.2%
27	Italy	2	0.2%
28	Puerto Rico	2	0.2%
29	Oman	1	0.1%
30	Malaysia	1	0.1%
31	New Zealand	1	0.1%
32	Luxembourg	1	0.1%
33	Georgia	1	0.1%
34	Brazil	1	0.1%