Proceeds from sales of available-for-sale securities for the year  ended March 31, 2009 were ¥1,199 million. Gross realized gains  and losses on these sales, computed on the moving average cost  basis, were ¥150 million and ¥30 million, respectively, for the year  ended March 31, 2009. The impairment losses on available-for-sale equity securities for  the years ended March 31, 2010 and 2009 were ¥529 million  ($5,683 thousand) and ¥260 million, respectively. The carrying values of debt securities by contractual maturities  for securities classified as held-to-maturity securities and available- for-sale securities at March 31, 2010 were as follows: Short-term bank loans at March 31, 2010 and 2009 consisted of  notes to banks and bank overdrafts. The average annual interest  rates applicable to the short-term bank loans were 0.8% and 1.0%  at March 31, 2010 and 2009, respectively. Long-term debt at March 31, 2010 and 2009 consisted of the  following: Investments in and advances to unconsolidated subsidiaries and  associated companies at March 31, 2010 and 2009 were as follows: The carrying amounts of assets pledged as collateral for trade  notes and accounts payable of ¥9 million ($94 thousand), short- term bank loans of ¥1,580 million ($16,982 thousand), current  portion of long-term debt of ¥3,562 million ($38,284 thousand),  corporate bonds due in one year of ¥140 million ($1,505 thousand),  JS Group Corporation Annual Report 2010 70 9. Short-Term Bank Loans and Long-Term Debt 8. Investments in and Advances to Unconsolidated  Subsidiaries and Associated Companies Millions of Yen Thousands of U.S. Dollars Held-to-Maturity Securities and Available-for-Sale Securities Held-to-Maturity Securities and Available-for-Sale Securities Due in one year or less ¥21,000 $225,707 Due after one year through five years 746 8,018 Due after five years through ten years 3,018 32,445 Total ¥24,764 $266,170 Millions of Yen Thousands of U.S. Dollars 2010 2009 2010 Investments ¥14,068 ¥14,493 $151,206 Advances 1,740 3,409 18,701 Total ¥15,808 ¥17,902 $169,907 Millions of Yen Thousands of U.S. Dollars 2010 2009 2010 Unsecured 1.4% yen straight bonds, due 2012 ¥ 30,000 ¥ 30,000 $ 322,442 Unsecured 0.9% yen straight bonds, due 2014 15,000 161,221 Unsecured 0.7% yen straight bonds, due 2014 5,000 5,000 53,740 Unsecured 1.8% yen straight bonds, due 2013 420 4,514 Unsecured 0.8% yen straight bonds, due 2010 30 Loans from banks and other financial institutions, due serially to 2018 with average interest rates of 1.6% (2010) and 1.6% (2009): Collateralized 19,944 22,382 214,360 Unsecured 106,071 124,956 1,140,060 Lease obligations, due serially to 2024  —Unsecured 6,960 2,752 74,798 Total 183,395 185,120 1,971,135 Less current portion (6,814) (63,492) (73,235) Long-term debt, less current portion ¥176,581 ¥121,628 $1,897,900 Year Ending March 31 Millions of Yen Thousands of  U.S. Dollars 2011 ¥ 6,814 $ 73,235 2012 16,738 179,904 2013 54,982 590,950 2014 20,890 224,529 2015 52,242 561,501 2016 and thereafter 31,729 341,016 Total ¥183,395 $1,971,135 Annual maturities of long-term debt at March 31, 2010, were  as follows: