Year	Percent
1950	9.84576
1955	8.45744
1960	8.47614
1965	8.562
1970	8.30463
1975	7.28413
1980	7.83505
1985	7.42517
1990	7.99289
1995	8.54642
2000	6.63199
2005	4.58548
2010	5.15623
2015	5.96194
2020	5.87448
2025	5.70018
2030	5.43159
2035	5.03325
2040	4.89271
2045	5.19522
2050	5.54467
2055	5.60911
2060	5.4426
2065	5.22223
2070	5.1001
2075	5.16213
2080	5.31848
2085	5.41196
2090	5.35359
2095	5.20242
2100	5.08291