| 1960-01-01 |
2.2058823529411600000000000000 |
| 1961-01-01 |
2.5179856115108000000000000000 |
| 1962-01-01 |
-1.4035087719298400000000000000 |
| 1963-01-01 |
5.8718861209964600000000000000 |
| 1964-01-01 |
0.8403361344537700000000000000 |
| 1965-01-01 |
5.0000000000000100000000000000 |
| 1966-01-01 |
5.5555555555555500000000000000 |
| 1967-01-01 |
0.3007518796992420000000000000 |
| 1968-01-01 |
0.0000000000000258629851082602 |
| 1969-01-01 |
3.5982008995502200000000000000 |
| 1970-01-01 |
3.4732272069464500000000000000 |
| 1971-01-01 |
5.0349650349650300000000000000 |
| 1972-01-01 |
3.7283621837549700000000000000 |
| 1973-01-01 |
16.1745827984596000000000000000 |
| 1974-01-01 |
33.4806629834255000000000000000 |
| 1975-01-01 |
11.7549668874172000000000000000 |
| 1976-01-01 |
13.7777777777778000000000000000 |
| 1977-01-01 |
14.0625000000000000000000000000 |
| 1978-01-01 |
14.2694063926941000000000000000 |
| 1979-01-01 |
18.7312687312687000000000000000 |
| 1980-01-01 |
27.5978123685318000000000000000 |
| 1981-01-01 |
30.0692383778437000000000000000 |
| 1982-01-01 |
21.1153358681876000000000000000 |
| 1983-01-01 |
18.0410213478443000000000000000 |
| 1984-01-01 |
18.2446808510638000000000000000 |
| 1985-01-01 |
19.4631878842405000000000000000 |
| 1986-01-01 |
20.3087736914774000000000000000 |
| 1987-01-01 |
12.6238914971309000000000000000 |
| 1988-01-01 |
11.1255210745716000000000000000 |
| 1989-01-01 |
18.3465580563355000000000000000 |
| 1990-01-01 |
20.0191712448219000000000000000 |
| 1991-01-01 |
17.7645212704198000000000000000 |
| 1992-01-01 |
11.7891079332500000000000000000 |
| 1993-01-01 |
9.8952083405715500000000000000 |
| 1994-01-01 |
13.2523176295489000000000000000 |
| 1995-01-01 |
8.4824850919820100000000000000 |
| 1996-01-01 |
7.0061620258476500000000000000 |
| 1997-01-01 |
4.1387532591976700000000000000 |
| 1998-01-01 |
4.3926822379605100000000000000 |
| 1999-01-01 |
2.3943275855294300000000000000 |
| 2000-01-01 |
1.8898417842708600000000000000 |
| 2001-01-01 |
5.1269458327425000000000000000 |
| 2002-01-01 |
5.3262654324660500000000000000 |
| 2003-01-01 |
4.9759377920610600000000000000 |
| 2004-01-01 |
0.5146211445146280000000000000 |
| 2005-01-01 |
0.6149967851052340000000000000 |
| 2006-01-01 |
3.7419874203934200000000000000 |
| 2007-01-01 |
3.2409454256396500000000000000 |
| 2008-01-01 |
5.3644428088085400000000000000 |
| 2009-01-01 |
1.9062465178749900000000000000 |
| 2010-01-01 |
0.0622358983307277000000000000 |
| 2011-01-01 |
3.1141449229686900000000000000 |
| 2012-01-01 |
1.5054598672144600000000000000 |
| 2013-01-01 |
0.0032204932670423700000000000 |
| 2014-01-01 |
-1.6812813211120100000000000000 |
| 2015-01-01 |
1.8019903739394600000000000000 |
| 2016-01-01 |
-0.2210453693679680000000000000 |
| 2017-01-01 |
0.3180961996157230000000000000 |
