Crazy total write data on HD tune


So I just got HD tune and it is showing these numbers for Life time writes

  • Seagate 1TB  showing 1,545,052,973 GB writes ( Bought in Dec. 2010)
  • WD 2TB black not showing
  • Intel ssd 520 120GB showing 29,296 GB (bought Oct. 1 2012)


I just want to know if those are normal or bad for my drives