Includes:
    1. directly-held stock 
    2. stock mutual funds: full value if described as stock mutual fund,
       1/2 value of combination mutual funds
    3. IRAs/Keoghs invested in stock: 
       full value if mostly invested in stock, 
       1/2 value if split between stocks/bonds or stocks/money market,
       1/3 value if split between stocks/bonds/money market
    4. other managed assets w/equity interest (annuities, trusts, MIAs):
       full value if mostly invested in stock,
       1/2 value if split between stocks/MFs & bonds/CDs, or
      "mixed/diversified,"
       1/3 value if "other"
    5. thrift-type retirement accounts invested in stock
       full value if mostly invested in stock
       1/2 value if split between stocks and interest earning assets;
NOTE:  The allocation rules for mixed investments in 3), 4), and 5) do not 
apply to 2004 since new questions in 2004 directly ask the share of stock in 
those assets.