A	B	C	D	E	F
Year		Observed	Estimated
Year	Observed	Observed	Estimated	Intial Estimated	Final Estimated
1990	71.64	−0.8657	−0.9227	72.21	71.64
1995	74.22	−1.1371	−1.0888	73.79	74.22
2000	75.54	−1.2908	−1.2549	75.24	75.54
2005	76.65	−1.4323	−1.4210	76.57	76.65
2010	77.50	−1.5487	−1.5872	77.77	77.50
2015			−1.7533	78.84	78.64
2020			−1.9194	79.80	79.66
2025			−2.0855	80.64	80.57
2030			−2.2517	81.38	81.38
2035			−2.4178	82.03	82.03
2040			−2.5839	82.60	82.60
2045			−2.7500	83.09	83.09
2050			−2.9162	83.51	83.51
2055			−3.0823	83.87	83.87
2060			−3.2484	84.19	84.19
2065			−3.4145	84.46	84.46
2070			−3.5807	84.69	84.69
2075			−3.7468	84.88	84.88
2080			−3.9129	85.05	85.05
2085			−4.0790	85.19	85.19
2090			−4.2452	85.31	85.31
2095			−4.4113	85.42	85.42
2100			−4.5774	85.51	85.51