450 VALUATION, DEPRECIATION AND THE RATE-BASE 
TABLE 32. EXPECTANCY OF HUMAN LIFE (Concluded) 
Thirty offices’ expe- 
3 Combined of American ex- rience 
Northamp- | 3 1 
Age | ton Gatlin ame perience 
Males | Females 
1780 1815 1843 1868 1881 
7 8.17 8.65 8.10 8.00 8.49 3.13 
72 Ta 8.16 7. 6y 7hsd 8.02 7.65 
73 7.33 vio | 7.26 7.10 7.57 | 7.20 
5 6.92 7.35 6.86 6.68 7.14 6.76 
: , 6.54 | 7.01 6.48 6.28 6.72 6.34 
2% 6.18 6.69 6.1% 5.88 6.32 5.93 
7 5.83 | 6.40 5.76 5.48 5.93 5.55 
55 5.48 | 6.12 5.42 5.10 5.57 5.18 
2 5.1 5.80 5.09 4.74 5.231 4.82 
) 4375 | 5.51 4.78 4.38 4.87 4.49 
oI 4-4 eat 4.48 4.04 4.55 4.17 
«2 4.09 4.93 4.18 37% 4.24 3.88 
3.80 4.65 3.90 3-39 3-95 3.59 
2 3.58 4.39 3.63 3.08 3.67 3.33 
o, 3-37 4.12 3.36 2.75 3.40 3.08 
tH 3.19 3.90 3-10 2.47 3.14 2.84 
7 , 3.01 3.73 2.84 2.19 2.89 2.62 
«3 2.86 3.59 2.59 5.0 2.64 2.42 
89 2.66 3-47 2.35 1.66 2.39 2.33 
90 2.47 3.28 2.0 1.42 2 2.05% 
33 2.09 3.26 1.89 1.19 1.98 1.89 
C2 1.75 3-37 1.67 .98 1.81 1.73 
$3 ¥.37 3.48 1.47 | .80 1.64 « 1.59 
«1 1.05 3-53 v.28 : .64 ! 1.49 1.46 
95 75 3-53 r.12 | .50 1.34 © 1.34 
96 .50 3.46 .99 | main. | 1.18 1.23 
OF slo 3.28 .89 Aaa 1.03 | 1.09 
98 Shee ae 3.07 "75 a .83 .93 
OOo hin 2.77 .50 Ban ans .50 2 BO 
100 Bold i 1d oat oI a ts I che 
101 dela TOMI ls a hob cn itl os OE tis ot os SR hs 
102 RA 1.30 steely Sel wanted a PE aides all wis) co MII ey we Tw ul Ch 
103 a td .83 El Ut NG Lh Je le al | bis Gs AE Airs 
104 aap uk .50 rl uk TV EN | Er hh