{"Year":1981,"Rate":16.63}
{"Year":1982,"Rate":16.08}
{"Year":1983,"Rate":13.23}
{"Year":1984,"Rate":13.87}
{"Year":1985,"Rate":12.42}
{"Year":1986,"Rate":10.18}
{"Year":1987,"Rate":10.2}
{"Year":1988,"Rate":10.34}
{"Year":1989,"Rate":10.32}
{"Year":1990,"Rate":10.13}
{"Year":1991,"Rate":9.25}
{"Year":1992,"Rate":8.4}
{"Year":1993,"Rate":7.33}
{"Year":1994,"Rate":8.35}
{"Year":1995,"Rate":7.95}
{"Year":1996,"Rate":7.8}
{"Year":1997,"Rate":7.6}
{"Year":1998,"Rate":6.94}
{"Year":1999,"Rate":7.43}
{"Year":2000,"Rate":8.06}
{"Year":2001,"Rate":6.97}
{"Year":2002,"Rate":6.54}
{"Year":2003,"Rate":5.82}
{"Year":2004,"Rate":5.84}
{"Year":2005,"Rate":5.86}
{"Year":2006,"Rate":6.41}
{"Year":2007,"Rate":6.34}
{"Year":2008,"Rate":6.04}
{"Year":2009,"Rate":5.04}
{"Year":2010,"Rate":4.69}
{"Year":2011,"Rate":4.46}
{"Year":2012,"Rate":3.66}