def pci_wld_eci(eci_file_path, pci_file_path, ymp, ymw, year):
    pcis = pd.read_csv(pci_file_path, sep='\t', compression='bz2', converters={'hs_id': str})
    pcis['year'] = int(year)
    pcis['month'] = '00'
    pcis = pcis.set_index(['year', 'month', 'hs_id'])
    ecis = pd.read_csv(eci_file_path, sep='\t', compression='bz2')
    ecis['year'] = int(year)
    ecis['month'] = '00'
    ecis = ecis.set_index(['year', 'month', 'wld_id'])
    ymp['pci'] = pcis['pci']
    ymw['eci'] = ecis['eci']
    return [ymp, ymw]
def pci_wld_eci(eci_file_path, pci_file_path, ymp, ymw, year):
    pcis = pd.read_csv(pci_file_path, sep='\t', compression='bz2', converters={'hs_id': str})
    pcis['year'] = int(year)
    pcis['month'] = '00'
    pcis = pcis.set_index(['year', 'month', 'hs_id'])
    ecis = pd.read_csv(eci_file_path, sep='\t', compression='bz2')
    ecis['year'] = int(year)
    ecis['month'] = '00'
    ecis = ecis.set_index(['year', 'month', 'wld_id'])
    ymp['pci'] = pcis['pci']
    ymw['eci'] = ecis['eci']
    return [ymp, ymw]