1994:01 2.494 1994:02 2.247 1994:03 2.556 1994:04 2.436 1994:05 2.684 1994:06 2.76 1994:07 3.679 1994:08 3.806 1994:09 3.072 1994:10 2.74 1994:11 2.638 1994:12 2.893 1995:01 2.604 1995:02 2.407 1995:03 2.628 1995:04 3.176 1995:05 2.883 1995:06 2.752 1995:07 3.725 1995:08 3.964 1995:09 3.304 1995:10 2.883 1995:11 2.88 1995:12 3.057 1996:01 2.475 1996:02 2.53 1996:03 2.802 1996:04 3.006 1996:05 3.043 1996:06 3.205 1996:07 3.641 1996:08 4.061 1996:09 3.01 1996:10 2.917 1996:11 2.693 1996:12 3.05 1997:01 2.356 1997:02 2.248 1997:03 3.054 1997:04 2.678 1997:05 3.113 1997:06 3.066 1997:07 3.554 1997:08 4.171 1997:09 2.952 1997:10 2.94 1997:11 3.025 1997:12 3.394 1998:01 2.849 1998:02 2.835 1998:03 3.332 1998:04 3.438 1998:05 3.56 1998:06 3.734 1998:07 4.443 1998:08 4.881 1998:09 3.878 1998:10 3.837 1998:11 3.778 1998:12 3.823 1999:01 3.337 1999:02 3.146 1999:03 3.435 1999:04 3.545 1999:05 3.751 1999:06 3.767 1999:07 4.611 1999:08 4.704 1999:09 3.866 1999:10 3.804 1999:11 3.312 1999:12 3.506 2000:01 3.331 2000:02 3.078 2000:03 3.553 2000:04 3.867 2000:05 3.604 2000:06 3.713 2000:07 4.519 2000:08 4.504 2000:09 3.759 2000:10 3.686 2000:11 3.346 2000:12 3.76 2001:01 3.388 2001:02 3.175 2001:03 3.607 2001:04 3.74 2001:05 3.595 2001:06 3.975 2001:07 4.54 2001:08 4.569 2001:09 3.88 2001:10 3.798 2001:11 3.438 2001:12 3.778 2002:01 3.074 2002:02 2.946 2002:03 3.639 2002:04 3.384 2002:05 3.727 2002:06 4.022 2002:07 4.43 2002:08 4.547 2002:09 3.713 2002:10 3.836 2002:11 3.708 2002:12 3.845 2003:01 3.309 2003:02 3.083 2003:03 3.635 2003:04 3.766 2003:05 3.952 2003:06 4.28 2003:07 4.658 2003:08 4.984 2003:09 4.067 2003:10 4.174 2003:11 3.755 2003:12 3.904