Year,Value,NumPoints
1983,18.2014,42388
1984,18.1259,42388
1985,18.0865,42388
1986,18.1523,42388
1987,18.3039,42388
1988,18.2152,42388
1989,18.2429,42388
1990,18.3082,42388
1991,18.3437,42388
1992,18.1594,42388
1993,18.1536,42388
1994,18.1836,42388
1995,18.3545,42388
1996,18.2331,42388
1997,18.427,42388
1998,18.5123,42388
1999,18.2019,42388
2000,18.2484,42388
2001,18.3749,42388
2002,18.3542,42388
2003,18.4375,42388
2004,18.3873,42388
2005,18.4518,42388
2006,18.3823,42388
2007,18.3519,42388
2008,18.3411,42388
2009,18.4817,42388
2010,18.4092,42388
2011,18.3384,42388
2012,18.4221,42388
2013,18.4547,42388
2014,18.5355,42388
2015,18.618,42388
2016,18.6352,42388
2017,18.5914,42388
2018,18.4355,42388
2019,18.5716,42388
2020,18.5166,42388
2021,18.5547,42388
2022,18.5166,42388