Year	Years
1950	76.53111
1955	79.16617
1960	81.42804
1965	86.21918
1970	90.36158
1975	95.32783
1980	98.33817
1985	98.82283
1990	99.19543
1995	98.44868
2000	98.89232
2005	98.53015
2010	98.77503
2015	99.78572
2020	100.62237
2025	101.75756
2030	102.72559
2035	103.43838
2040	103.86572
2045	104.13739
2050	104.2136
2055	104.29342
2060	104.40611
2065	104.57765
2070	104.7802
2075	104.94393
2080	105.05414
2085	105.12643
2090	105.19146
2095	105.26073
2100	105.32982