import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns


xls2001 = pd.read_excel("./2001.xls")
xls2002 = pd.read_excel("./2002.xls")
xls2003 = pd.read_excel("./2003.xls")
xls2004 = pd.read_excel("./2004.xls")
xls2005 = pd.read_excel("./2005.xls")
xls2006 = pd.read_excel("./2006.xls")
xls2007 = pd.read_excel("./2007.xls")
xls2008 = pd.read_excel("./2008.xls")
xls2009 = pd.read_excel("./2009.xls")
xls2010 = pd.read_excel("./2010.xls")
xls2011 = pd.read_excel("./2011.xls")
xls2012 = pd.read_excel("./2012.xls")
xls2013 = pd.read_excel("./2013.xls")
xls2014 = pd.read_excel("./2014.xls")
xls2015 = pd.read_excel("./2015.xls")

xls2015.shape

f55a2fdad886867945580c168fc99fba6d352558
<mask token>

<mask token>
xls2015.shape

<mask token>
xls2001 = pd.read_excel('./2001.xls')
xls2002 = pd.read_excel('./2002.xls')
xls2003 = pd.read_excel('./2003.xls')
xls2004 = pd.read_excel('./2004.xls')
xls2005 = pd.read_excel('./2005.xls')
xls2006 = pd.read_excel('./2006.xls')
xls2007 = pd.read_excel('./2007.xls')
xls2008 = pd.read_excel('./2008.xls')
xls2009 = pd.read_excel('./2009.xls')
xls2010 = pd.read_excel('./2010.xls')
xls2011 = pd.read_excel('./2011.xls')
xls2012 = pd.read_excel('./2012.xls')
xls2013 = pd.read_excel('./2013.xls')
xls2014 = pd.read_excel('./2014.xls')
xls2015 = pd.read_excel('./2015.xls')
xls2015.shape

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns
xls2001 = pd.read_excel('./2001.xls')
xls2002 = pd.read_excel('./2002.xls')
xls2003 = pd.read_excel('./2003.xls')
xls2004 = pd.read_excel('./2004.xls')
xls2005 = pd.read_excel('./2005.xls')
xls2006 = pd.read_excel('./2006.xls')
xls2007 = pd.read_excel('./2007.xls')
xls2008 = pd.read_excel('./2008.xls')
xls2009 = pd.read_excel('./2009.xls')
xls2010 = pd.read_excel('./2010.xls')
xls2011 = pd.read_excel('./2011.xls')
xls2012 = pd.read_excel('./2012.xls')
xls2013 = pd.read_excel('./2013.xls')
xls2014 = pd.read_excel('./2014.xls')
xls2015 = pd.read_excel('./2015.xls')
xls2015.shape

import numpy as np
import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns


xls2001 = pd.read_excel("./2001.xls")
xls2002 = pd.read_excel("./2002.xls")
xls2003 = pd.read_excel("./2003.xls")
xls2004 = pd.read_excel("./2004.xls")
xls2005 = pd.read_excel("./2005.xls")
xls2006 = pd.read_excel("./2006.xls")
xls2007 = pd.read_excel("./2007.xls")
xls2008 = pd.read_excel("./2008.xls")
xls2009 = pd.read_excel("./2009.xls")
xls2010 = pd.read_excel("./2010.xls")
xls2011 = pd.read_excel("./2011.xls")
xls2012 = pd.read_excel("./2012.xls")
xls2013 = pd.read_excel("./2013.xls")
xls2014 = pd.read_excel("./2014.xls")
xls2015 = pd.read_excel("./2015.xls")

xls2015.shape
