モジュール：インフレーション/SG

-- SGのデータセット リターン 開始年 = 1961、 デフォルト = 2020、 データ = { [1961] = 24.401, [1962] = 24.513, [1963] = 25.033, [1964] = 25.448, [1965] = 25.513, [1966] = 26.028, [1967] = 26.874, [1968] = 27.058, [1969] = 26.989, [1970] = 27.079, [1971] = 27.589, [1972] = 28.18, [1973] = 33.708, [1974] = 41.247, [1975] = 42.311, [1976] = 41.508, [1977] = 42.831, [1978] = 44.573, [1979] = 46.358, [1980] = 50.317, [1981] = 54.437, [1982] = 56.57, [1983] = 57.157, [1984] = 58.645, [1985] = 58.933, [1986] = 58.12, [1987] = 58.401, [1988] = 59.29, [1989] = 60.65, [1990] = 62.743, [1991] = 64.901, [1992] = 66.357, [1993] = 67.878, [1994] = 69.978, [1995] = 71.185, [1996] = 72.167, [1997] = 73.627, [1998] = 73.428, [1999] = 73.445, [2000] = 74.435, [2001] = 75.19, [2002] = 74.896, [2003] = 75.261, [2004] = 76.518, [2005] = 76.877, [2006] = 77.617, [2007] = 79.251, [2008] = 84.504, [2009] = 85.008, [2010] = 87.408, [2011] = 91.995, [2012] = 96.205, [2013] = 98.474, [2014] = 99.483, [2015] = 98.963, [2016] = 98.436, [2017] = 99.004, [2018] = 99.438, [2019] = 100, [2020] = 99.818,