YEAR,ANNUAL,JAN-FEB,MAR-MAY,JUN-SEP,OCT-DEC
1961,24,18.98,26.11,27.06,21.17
1962,24.04,18.91,25.91,27.14,21.47
1963,24.15,19.07,25.57,27.21,22.04
1964,24.1,18.83,26.38,26.9,21.58
1965,24.07,19.22,25.24,27.08,22.1
1966,24.36,19.93,26.07,27.17,21.83
1967,24.11,19.44,25.55,27.19,21.68
1968,23.94,18.25,25.62,27.22,21.69
1969,24.46,19.18,26.39,27.35,22.2
1970,24.26,19.56,26.39,27.06,21.55
1971,23.91,19.05,25.78,26.75,21.48
1972,24.1,18.57,25.78,27.27,21.88
1973,24.41,19.74,26.53,27.3,21.53
1974,24,18.54,26.24,27.02,21.38
1975,23.74,18.69,25.77,26.57,21.3
1976,24.07,18.87,25.61,26.87,22.25
1977,24.35,19.35,26.03,27.13,22.3
1978,24.24,18.95,25.94,27.12,22.22
1979,24.57,19.47,25.97,27.54,22.59
1980,24.55,19.64,26.58,27.26,22.17
1981,24.27,19.42,26.14,27.22,21.68
1982,24.15,19.14,25.41,27.31,22.02
1983,24.12,19.09,25.45,27.43,21.71
1984,24.26,18.85,26.51,27.1,21.82
1985,24.45,19.61,26.72,27.12,21.84
1986,24.2,19.12,25.94,27.17,21.9
1987,24.57,19.42,25.85,27.88,22.29
1988,24.42,19.7,26.24,27.22,22
1989,24.03,18.76,25.69,26.98,21.94
1990,24.21,19.44,25.55,27.18,22.11
1991,24.28,19.21,26.02,27.32,21.87
1992,24.15,19.06,25.64,27.15,22.04
1993,24.43,19.61,25.98,27.34,22.21
1994,24.46,19.76,26.3,27.3,21.97
1995,25.29,20.33,26.94,28.07,23.19
1996,24.55,20.79,26.49,27.22,21.76
1997,24.1,18.87,25.69,27.6,21.89
1998,24.76,19.72,26.41,27.69,22.42
1999,24.67,19.75,26.66,27.38,22.29
2000,24.6,19.33,26.47,27.23,22.68
2001,24.73,19.75,26.82,27.47,22.52
2002,25,19.65,27.22,27.71,22.58
2003,24.72,19.82,26.52,27.64,22.23
2004,24.74,19.93,27.06,27.33,22.24
2005,24.58,19.79,26.33,27.64,21.93
2006,25.06,21.33,26.52,27.4,22.66
2007,24.77,20.1,26.69,27.49,22.32
2008,24.61,19.16,26.46,27.26,22.87
2009,25.11,20.72,26.86,27.89,22.58
2010,25.13,20.19,27.83,27.5,22.6
2011,24.67,19.54,26.38,27.54,22.71
2012,24.69,19.34,26.55,27.71,22.35
2013,24.82,19.98,26.85,27.46,22.5
2014,24.73,19.58,26.24,27.88,22.47
2015,24.91,20.12,26.29,27.73,22.99
2016,25.15,22.25,28.86,28.44,24.2
2017,24.79,21.84,28.41,28.5,24.21
2018,25.09,21.24,28.16,28.28,23.55