Annual Percent
1970-01-01 3.73927872194897
1971-01-01 4.17532522050375
1972-01-01 4.04517513252882
1973-01-01 8.26666666600004
1974-01-01 14.24893553825680
1975-01-01 9.66969548151244
1976-01-01 11.25614250621110
1977-01-01 11.98928332210510
1978-01-01 9.71603274954341
1979-01-01 7.73923642806676
1980-01-01 10.42269995291260
1981-01-01 11.27215970794350
1982-01-01 8.33125575581155
1983-01-01 5.49366551432092
1984-01-01 8.11639795517100
1985-01-01 4.38934095741536
1986-01-01 6.16438356164368
1987-01-01 4.08911644641213
1988-01-01 5.99925074273700
1989-01-01 5.54145981508565
1990-01-01 8.03956867283909
1991-01-01 9.02909418116381
1992-01-01 7.59204836795523
1993-01-01 8.06352808952712
1994-01-01 5.12713521698837
1995-01-01 6.74106761623137
1996-01-01 4.46630617999246
1997-01-01 3.55029585798825
1998-01-01 3.12536579655860
1999-01-01 2.64862252295820
2000-01-01 1.81294613887087
2001-01-01 1.74665224985432
2002-01-01 1.83299389002050
2003-01-01 1.98196734627542
2004-01-01 3.12226204699354
2005-01-01 3.10496640148300
2006-01-01 3.48340699677866
2007-01-01 4.16782961611569
2008-01-01 11.27066523808480
2009-01-01 2.92089711805365
2010-01-01 3.91304347826083
2011-01-01 4.52421150505276
2012-01-01 3.73120950756887
2013-01-01 2.96013449689034
2014-01-01 2.64629146477823
2015-01-01 1.58404616052259
2016-01-01 2.18686161532911
2017-01-01 1.59716060337177