Year	Years
1950	98.71735
1955	98.84385
1960	99.05429
1965	99.32239
1970	98.97459
1975	98.64178
1980	91.3976
1985	92.50348
1990	93.87915
1995	95.0521
2000	95.29975
2005	94.86833
2010	95.51442
2015	96.21073
2020	96.84875
2025	97.44714
2030	98.11433
2035	98.68981
2040	99.07984
2045	99.21354
2050	99.11536
2055	98.97194
2060	98.87326
2065	98.85026
2070	98.8954
2075	98.98201
2080	99.12469
2085	99.29848
2090	99.50921
2095	99.7412
2100	99.96424