Year,Value,NumPoints
1983,-0.0728731,22
1984,0.942879,22
1985,0.0914947,22
1986,1.42979,22
1987,2.09426,22
1988,0.795645,22
1989,3.04328,22
1990,1.45558,22
1991,-0.0232677,22
1992,0.258581,22
1993,2.6074,22
1994,1.26466,22
1995,1.6742,22
1996,2.42234,22
1997,2.12007,22
1998,3.27208,22
1999,2.18696,22
2000,1.72078,22
2001,1.27608,22
2002,2.4034,22
2003,2.05236,22
2004,2.79452,22
2005,1.97162,22
2006,0.662899,22
2007,3.94451,22
2008,2.80156,22
2009,3.60696,22
2010,2.18038,22
2011,2.72875,22
2012,1.85846,22
2013,2.0899,22
2014,1.64564,22
2015,1.68072,22
2016,1.92002,22
2017,2.83809,22
2018,1.63061,22
2019,3.93443,22