The following presents the characterizations for tax purposes of such preferred stock dividends for the years ended  December 31: In February 2014, NNN declared a dividend on its Series D and E Preferred Stock of 41.40625 and 35.62500 cents per  depositary share, respectively, payable March 14, 2014. Generally, cash needs for property acquisitions, mortgages and notes receivable investments, debt payments, capital  expenditures, development and other investments have been funded by equity and debt offerings, bank borrowings, the sale of  properties and, to a lesser extent, by internally generated funds. Cash needs for operating expenses and dividends have  generally been funded by internally generated funds. If available, future sources of capital include proceeds from the public or  private offering of NNN’s debt or equity securities, secured or unsecured borrowings from banks or other lenders, proceeds  from the sale of properties, as well as undistributed funds from operations. The following is a summary of NNN’s total outstanding debt as of December 31 (dollars in thousands): Indebtedness. NNN expects to use indebtedness primarily for property acquisitions and development of single-tenant retail  properties, either directly or through investment interests, and mortgages and notes receivable. Line of Credit Payable. In October 2012, NNN amended and restated its credit agreement increasing the borrowing capacity  under its unsecured revolving credit facility from $450,000,000 to $500,000,000 and amended certain other terms under the  former revolving credit facility (as the context requires, the previous and new revolving credit facility, the “Credit Facility”).  The Credit Facility had a weighted average outstanding balance of $41,402,000 and a weighted average interest rate of 1.4%  during the year ended December 31, 2013. The Credit Facility matures October 2016, with an option to extend maturity to  October 2017. As of December 31, 2013, the Credit Facility bears interest at LIBOR plus 107.5 basis points; however, such  interest rate may change pursuant to a tiered interest rate structure based on NNN's debt rating. The Credit Facility also  includes an accordion feature to increase the facility size up to $1,000,000,000. As of December 31, 2013, $46,400,000 was  outstanding and $453,600,000 was available for future borrowings under the Credit Facility. In accordance with the terms of the Credit Facility, NNN is required to meet certain restrictive financial covenants, which,  among other things, require NNN to maintain certain (i) leverage ratios, (ii) debt service coverage, (iii) cash flow coverage, and  (iv) investment limitations. At December 31, 2013, NNN was in compliance with those covenants. In the event that NNN   32 Capital Resources Debt 2013 2012 2011 Series E  (3) Series D Percentage of Total Series D  (2) Series C (1) Percentage of Total Series C Percentage of Total Ordinary dividends $0.741150 $ 1.590323 96.0195% $ 1.255844 $ 0.502710 93.4823% $1.843750 100.0000% Qualified dividends 0.030332 0.065084 3.9296% 0.013979 0.005596 1.0406% — — Capital gain — — — 0.022371 0.008956 1.6652% — — Unrecaptured Section 1250 Gain 0.000393 0.000843 0.0509% 0.051209 0.020498 3.8119% — — $0.771875 $ 1.656250 100.0000% $ 1.343403 $ 0.537760 100.0000% $1.843750 100.0000% 1) The Series C preferred stock was redeemed in March 2012. 2) The Series D preferred stock was issued in February 2012. 3) The Series E preferred stock was issued in May 2013. 2013 Percentage of Total 2012 Percentage of Total Line of credit payable $ 46,400 3.0% $ 174,200 11.0% Mortgages payable 9,475 0.6% 10,602 0.7% Notes payable – convertible — — 236,500 14.9% Notes payable 1,514,184 96.4% 1,165,662 73.4% Total outstanding debt $ 1,570,059 100.0% $ 1,586,964 100.0%