| | | | | | | | | . | 6/1/2000 | $1.51 | $1.51 | | | | | | . | 7/1/2000 | $1.64 | $1.45 | | | | | | . | 8/1/2000 | $1.45 | $1.61 | | | | | | . | 9/1/2000 | $1.46 | $1.64 | | | | | | . | 10/1/2000 | $1.53 | $1.59 | | | | | | . | 11/1/2000 | $1.52 | $1.51 | | | | | | . | 12/1/2000 | $1.49 | $1.66 | | | | | | . | 1/1/2001 | $1.39 | $1.61 | | | | | | . | 2/1/2001 | $1.45 | $1.59 | | | | | | . | 3/1/2001 | $1.41 | $1.54 | | | | | | . | 4/1/2001 | $1.38 | $1.7 | | | | | | . | 5/1/2001 | $1.59 | $1.69 | | | | | | . | 6/1/2001 | $1.66 | $1.53 | | | | | | . | 7/1/2001 | $1.45 | $1.51 | | | | | | . | 8/1/2001 | $1.32 | $1.45 | | | | | | . | 9/1/2001 | $1.48 | $1.31 | | | | | | . | 10/1/2001 | $1.46 | $1.36 | | | | | | . | 11/1/2001 | $1.19 | $1.29 | | | | | | . | 12/1/2001 | $1.1 | $1.36 | | | | | | . | 1/1/2002 | $1.1 | $1.31 | | | | | |
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| | | | | | | | | . | 2/1/2002 | $1.08 | $1.35 | | | | | | . | 3/1/2002 | $1.09 | $1.47 | | | | | | . | 4/1/2002 | $1.31 | $1.42 | | | | | | . | 5/1/2002 | $1.35 | $1.39 | | | | | | . | 6/1/2002 | $1.35 | $1.34 | | | | | | . | 7/1/2002 | $1.34 | $1.16 | | | | | | . | 8/1/2002 | $1.38 | $1.17 | | | | | | . | 9/1/2002 | $1.37 | $1.09 | | | | | | . | 10/1/2002 | $1.39 | $1.11 | | | | | | . | 11/1/2002 | $1.43 | $1.16 | | | | | | . | 12/1/2002 | $1.34 | $1.16 | | | | | | . | 1/1/2003 | $1.42 | $1.13 | | | | | | . | 2/1/2003 | $1.44 | $1.16 | | | | | | . | 3/1/2003 | $1.62 | $1.16 | | | | | | . | 4/1/2003 | $1.58 | $1.15 | | | | | | . | 5/1/2003 | $1.49 | $1.27 | | | | | | . | 6/1/2003 | $1.44 | $1.26 | | | | | | . | 7/1/2003 | $1.44 | $1.21 | | | | | | . | 8/1/2003 | $1.49 | $1.29 | | | | | | . | 9/1/2003 | $1.69 | $1.26 | | | | | |
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| | | | | | | | | . | 10/1/2003 | $1.52 | $1.28 | | | | | | . | 11/1/2003 | $1.5 | $1.29 | | | | | | . | 12/1/2003 | $1.48 | $1.45 | | | | | | . | 1/1/2004 | $1.45 | $1.49 | | | | | | . | 2/1/2004 | $1.6 | $1.57 | | | | | | . | 3/1/2004 | $1.64 | $1.56 | | | | | | . | 4/1/2004 | $1.72 | $1.58 | | | | | | . | 5/1/2004 | $1.77 | $1.58 | | | | | | . | 6/1/2004 | $2 | $1.68 | | | | | | . | 7/1/2004 | $1.86 | $1.73 | | | | | | . | 8/1/2004 | $1.86 | $1.7 | | | | | | . | 9/1/2004 | $1.83 | $1.87 | | | | | | . | 10/1/2004 | $1.9 | $1.88 | | | | | | . | 11/1/2004 | $1.98 | $2.01 | | | | | | . | 12/1/2004 | $1.9 | $1.95 | | | | | | . | 1/1/2005 | $1.75 | $2.01 | | | | | | . | 2/1/2005 | $1.9 | $2.35 | | | | | | . | 3/1/2005 | $1.9 | $2.31 | | | | | | . | 4/1/2005 | $2.14 | $2.18 | | | | | | . | 5/1/2005 | $2.2 | $2.24 | | | | | |
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| | | | | | | | | . | 6/1/2005 | $2.05 | $2.4 | | | | | | . | 7/1/2005 | $2.19 | $2.57 | | | | | | . | 8/1/2005 | $2.24 | $2.73 | | | | | | . | 9/1/2005 | $2.58 | $2.91 | | | | | | . | 10/1/2005 | $2.77 | $2.64 | | | | | | . | 11/1/2005 | $2.44 | $2.68 | | | | | | . | 12/1/2005 | $2.12 | $2.73 | | | | | | . | 1/1/2006 | $2.19 | $3.13 | | | | | | . | 2/1/2006 | $2.33 | $2.84 | | | | | | . | 3/1/2006 | $2.24 | $2.96 | | | | | | . | 4/1/2006 | $2.48 | $3.11 | | | | | | . | 5/1/2006 | $2.88 | $3.03 | | | | | | . | 6/1/2006 | $2.78 | $3.09 | | | | | | . | 7/1/2006 | $2.8 | $3.19 | | | | | | . | 8/1/2006 | $2.96 | $3.03 | | | | | | . | 9/1/2006 | $2.8 | $2.92 | | | | | | . | 10/1/2006 | $2.32 | $3.05 | | | | | | . | 11/1/2006 | $2.2 | $3.31 | | | | | | . | 12/1/2006 | $2.22 | $3.2 | | | | | | . | 1/1/2007 | $2.3 | $3.17 | | | | | |
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| | | | | | | | | . | 2/1/2007 | $2.12 | $3.11 | | | | | | . | 3/1/2007 | $2.34 | $3.3 | | | | | | . | 4/1/2007 | $2.54 | $3.47 | | | | | | . | 5/1/2007 | $2.92 | $3.74 | | | | | | . | 6/1/2007 | $3.2 | $3.79 | | | | | | . | 7/1/2007 | $2.95 | $3.79 | | | | | | . | 8/1/2007 | $2.85 | $3.84 | | | | | | . | 9/1/2007 | $2.76 | $4.12 | | | | | | . | 10/1/2007 | $2.82 | $4.23 | | | | | | . | 11/1/2007 | $2.86 | $4.05 | | | | | | . | 12/1/2007 | $3.07 | $4.39 | | | | | | . | 1/1/2008 | $3.03 | $3.85 | | | | | | . | 2/1/2008 | $2.95 | $4.14 | | | | | | . | 3/1/2008 | $3.12 | $4.57 | | | | | | . | 4/1/2008 | $3.26 | $4.81 | | | | | | . | 5/1/2008 | $3.57 | $4.94 | | | | | |
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