<http://search.cpan.org/~crusoe/MARC-Record-Stats-v0.0.4/bin/marcstats.pl> can be useful, but generates no stats for leader or controlfields.
Stefano

On 20/mag/2013, at 12.55, dasos ili wrote:

> Greetings,
> 
> i would appreciate it if you could please tell me if there is any research, or output, or any program that gets statistical analysis of the LEADER, all data fields, all subfields, controlfields. I would appreciate also your input on ideas for what should be analysed, what would be of interest for getting statistics for the UNIMARC records.
> 
> 
> Thank you very much for your time
> Looking forward for your input 
>