Notes to the consolidated financial statements of Aegon N.V.  Note 4 194 The table below provides the length of time a below investment grade security has been in an unrealized loss and the percentage of  carrying value (CV) to amortized cost. Aging and severity unrealized losses Realized gains and losses on debt securities of Aegon Americas, Aegon the Netherlands and Aegon UK  The table below provides the length of time the security was below cost prior to the sale and the respective realized loss for assets not  considered impaired. 2013 2012 Aging and severity unrealized losses Carrying  value Unrealized  losses Carrying  value Unrealized  losses CV 70-100% of amortized cost 512 (25) 243 (7) CV 40-70% of amortized cost 1 (1) 1 - CV < 40 % of amortized cost - - 1 (1) 0­6 months 513 (27) 245 (8) CV 70-100% of amortized cost 242 (25) 59 (4) CV 40-70% of amortized cost 11 (6) - - CV < 40 % of amortized cost - - - - 6­12 months 253 (32) 59 (4) CV 70-100% of amortized cost 46 (4) 164 (28) CV 40-70% of amortized cost 1 - 3 (3) CV < 40 % of amortized cost - - - (2) 12­24 months 47 (4) 167 (33) CV 70-100% of amortized cost 1,141 (200) 1,519 (273) CV 40-70% of amortized cost 59 (38) 264 (224) CV < 40 % of amortized cost 6 (21) 32 (126) > 24 months 1,206 (259) 1,815 (623) Total 2,019 (322) 2,286 (668) Realized gains and losses on debt securities of Aegon Americas, Aegon the Netherlands and  Aegon UK Gross  realized gains Gross  realized  losses December 31, 2013 Debt securities 565 (148) December 31, 2012 Debt securities 755 (285) Gross realized losses 0 -12 months >12 months Total December 31, 2013 Debt securities (92) (56) (148) December 31, 2012 Debt securities (59) (226) (285) Annual Report 2013