Tcpdump/Tshark command on a huge PCAP 10GB

Im doing an analysis for a huge PCAP 10.2 GB, could someone help me in figuring out the following commands/answers ?
Top 10 unique sources for TCP/UDP?
Top 10 ASN, Country code
The variation of IP TTL values (as a whole and by protocol)
How many proportion ( percentage ) of the traffic by protocol received is observed?
This applies to the number of sources and volume of packets.
Check how long a source ip address was observed in a
given timeframe (start, stop time) timeformat : 1990-01-01 00:00:00 and subnet ?