* The CO2 emissions coefficient for electricity is used to calculate energy-derived CO2
emissions (in Japan, 3.50 t-CO2/10,000 kWh in FY2010, 4.76 t-CO2/10,000 kWh in
FY2011, and 4.87 t-CO2/10,000 kWh in FY2012). Overseas electricity is based on the
GHG Protocol.