over 30 years, 0.78 but at the same time the last desktop computer I bought (a i7 24GB RAM 4TB HD linux box) / the first one (a Macintosh, 131072 bytes! of RAM,

over 30 years, 0.78 but at the same time the last desktop computer I bought (a i7 24GB RAM 4TB HD linux box) / the first one (a Macintosh, 131072 bytes! of RAM, 400KB floppies): 0.06 unfortunaterly all the rest is about equal, still no flying car, no affordable housing, no significant robotics, no real replicator, no space ship, nothing.