Year	Years
1950	89.78659
1955	94.57034
1960	89.80982
1965	93.34027
1970	96.51786
1975	96.55508
1980	99.47722
1985	99.82665
1990	103.53249
1995	103.50782
2000	103.03314
2005	101.46295
2010	101.87129
2015	102.81661
2020	102.97887
2025	102.77481
2030	102.56885
2035	102.57793
2040	102.47497
2045	102.42776
2050	102.51793
2055	102.66577
2060	102.75409
2065	102.87432
2070	102.99401
2075	102.95682
2080	103.19438
2085	103.16471
2090	103.18423
2095	103.14331
2100	103.4123
