第一题:
year nh wzhi
2001 1.27 1.32082
2002 1.22 1.245 1.27086
2003 1.21 1.215 1.2228
2004 1.26 1.235 77.27 1.17655
2005 1.22 1.24 76.26 1.13205
2006 1.14 1.18 74.83 1.08924
2007 1.03 1.085 83.3 1.04804
2008 0.93 0.98 88.2 1.0084
2009 0.465 85.31083271 0.97026
2010 0 86.65485712 0.93357
2011 0 87.94832951 0.89826
2012 0 89.19308147 0.86428
2013 0 90.39021196 0.8316
2014 0 91.54265153 0.80014
2015 0 92.65113283 0.76988
2016 0 93.71785376 0.74076