Rank	Countries/Territories	Count	Percent
1	United States	643	37.7%
2	China	555	32.5%
3	Germany	200	11.7%
4	France	49	2.9%
5	India	38	2.2%
6	Japan	33	1.9%
7	Netherlands	25	1.5%
8	Canada	20	1.2%
9	Russia	19	1.1%
10	Ireland	14	0.8%
11	Ukraine	11	0.6%
12	Korea, Republic of	10	0.6%
13	Cyprus	10	0.6%
14	Egypt	10	0.6%
15	Switzerland	9	0.5%
16	Australia	8	0.5%
17	Hong Kong	8	0.5%
18	Singapore	6	0.4%
19	United Kingdom	6	0.4%
20	Norway	4	0.2%
21	Pakistan	4	0.2%
22	Poland	3	0.2%
23	Taiwan	3	0.2%
24	Romania	2	0.1%
25	Mauritius	2	0.1%
26	Argentina	2	0.1%
27	Croatia	2	0.1%
28	Brazil	1	0.1%
29	Iraq	1	0.1%
30	Malaysia	1	0.1%
31	Mongolia	1	0.1%
32	Nepal	1	0.1%
33	New Zealand	1	0.1%
34	Qatar	1	0.1%
35	Palestine, State of	1	0.1%
36	United Arab Emirates	1	0.1%
37	Viet Nam	1	0.1%