# g z age age(z=0) 55.2113 52.0082 2.072 13 54.2672 51.6447 1.572 12.5 53.2200 51.0810 1.072 12.0 51.8361 50.2226 0.572 11.5 50.7311 49.5157 0.272 11.2 48.2547 47.6925 0.122 11.05