Days destroyed: https://blockchain.info/charts/bitcoin-days-destroyed
https://www.youtube.com/watch?v=afBRj58PYSI
https://www.youtube.com/watch?v=afBRj58PYSI
not much
https://blockchain.info/charts/bitcoin-days-destroyed?timespan=all&showDataPoints=false&daysAverageString=7&show_header=true&scale=0&address=
jan 2014 had really some dd