"Year","Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"
1992,10.45,10.47,10.5,10.52,10.54,10.57,10.59,10.62,10.62,10.65,10.67,10.69
1993,10.72,10.73,10.78,10.78,10.8,10.82,10.84,10.86,10.89,10.91,10.93,10.96
1994,10.99,11.02,11.03,11.05,11.07,11.09,11.12,11.14,11.17,11.21,11.22,11.25
1995,11.27,11.3,11.33,11.35,11.37,11.41,11.45,11.47,11.5,11.54,11.56,11.59
1996,11.63,11.65,11.67,11.72,11.74,11.81,11.83,11.86,11.9,11.93,11.98,12.02
1997,12.06,12.09,12.14,12.16,12.2,12.24,12.26,12.33,12.37,12.43,12.48,12.51
1998,12.54,12.6,12.64,12.69,12.73,12.77,12.79,12.85,12.88,12.92,12.95,12.99
1999,13.04,13.06,13.1,13.15,13.19,13.24,13.28,13.3,13.35,13.38,13.4,13.44
2000,13.51,13.55,13.59,13.64,13.67,13.73,13.76,13.81,13.86,13.93,13.97,14.03
2001,14.05,14.12,14.17,14.21,14.24,14.29,14.33,14.38,14.43,14.46,14.52,14.56
2002,14.59,14.62,14.65,14.68,14.7,14.75,14.78,14.82,14.87,,,