Year	Percent
1950	7.84948
1955	7.24641
1960	7.70249
1965	9.02238
1970	9.70529
1975	10.15561
1980	9.82985
1985	7.84219
1990	6.99705
1995	6.76453
2000	6.82361
2005	6.74743
2010	6.52292
2015	5.88771
2020	5.28753
2025	5.60016
2030	5.56161
2035	5.51112
2040	5.41909
2045	5.3116
2050	5.20502
2055	5.20089
2060	5.26117
2065	5.2987
2070	5.28285
2075	5.22873
2080	5.17209
2085	5.13652
2090	5.12839
2095	5.12016
2100	5.09638