great-great-grandfather......12XXXXXX....................X.....X......14042...........80............-.....N..........FF...................................................960-20301970......F960-2030.....17spiraloutofcontrol......ZF............1%15.9%30%69%75%.....2.36560359.....2.36......22002.36685.....685......2005...........2050...............960-2030GDP30..........................F..........................