Rank	Countries/Territories	Count	Percent
1	United States	504	42.9%
2	China	286	24.3%
3	Germany	114	9.7%
4	Canada	76	6.5%
5	Japan	32	2.7%
6	France	31	2.6%
7	Ukraine	15	1.3%
8	Cyprus	14	1.2%
9	Russia	13	1.1%
10	Poland	12	1%
11	Netherlands	11	0.9%
12	Taiwan	7	0.6%
13	Turkey	6	0.5%
14	South Africa	6	0.5%
15	Australia	6	0.5%
16	India	5	0.4%
17	Singapore	4	0.3%
18	Switzerland	4	0.3%
19	Italy	3	0.3%
20	New Zealand	3	0.3%
21	Hong Kong	3	0.3%
22	Korea, Republic of	3	0.3%
23	Luxembourg	2	0.2%
24	Malaysia	2	0.2%
25	Ireland	2	0.2%
26	Bangladesh	2	0.2%
27	Bulgaria	2	0.2%
28	Finland	2	0.2%
29	Sweden	2	0.2%
30	Portugal	1	0.1%
31	Romania	1	0.1%
32	Ethiopia	1	0.1%
33	Argentina	1	0.1%