2015  67.6441803
2016  68.1023989
2017  68.5936030
2018  68.9680249
2019  69.2203398
2020  69.3611998
2021  69.3592253
2022  69.2943593
2023  69.1832371
2024  69.1000002
2025  68.9998020
2026  68.8998349
2027  68.8000000
2028  68.8000000
2029  69.0373682
2030  69.2763902
2031  69.5177351
2032  69.7614269
2033  70.0081673
2034  70.2566322
2035  70.5075167
2036  70.7608447
2037  71.0173449
2038  71.2756396
2039  71.5364505
2040  71.7998018