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SELECTED PER SHARE DATA AND RATIOS | 12 Months Ended
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Mar. 31, 2013
SELECTED PER SHARE DATA AND RATIOS [Abstract] |
SELECTED PER SHARE DATA AND RATIOS |
12. | SELECTED PER SHARE DATA AND RATIOS
The following presents a summary of the selected per share data for the years ended March 31, 2009 through 2013 (in thousands except per share amounts):
|  | Years Ended March 31 |
Per Share Data |  | 2013 |  |  | 2012 |  |  | 2011 |  |  | 2010 |  |  | 2009 |
Investment income |  | $ | 2.84 |  |  | $ | 2.49 |  |  | $ | 2.01 |  |  | $ | 1.63 |  |  | $ | 3.74 |
Operating expenses |  |  | (2.19 | ) |  |  | (1.78 | ) |  |  | (1.50 | ) |  |  | (1.04 | ) |  |  | (.98 | )
Interest expense |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Income taxes |  |  | (.15 | ) |  |  | (.03 | ) |  |  | (.03 | ) |  |  | (.03 | ) |  |  | (.04 | )
Net investment income |  |  | .50 |  |  |  | .68 |  |  |  | .48 |  |  |  | .56 |  |  |  | 2.72 |
Distributions from undistributed net investment income |  |  | (.79 | ) |  |  | (.80 | ) |  |  | (.80 | ) |  |  | (.80 | ) |  |  | (3.28 | )
Net realized gain net of tax |  |  | 23.22 |  |  |  | 2.81 |  |  |  | 10.36 |  |  |  | .22 |  |  |  | 2.87 |
Dividends from capital gains |  |  | (20.29 | ) |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Net increase (decrease) in unrealized appreciation of investments |  |  | 4.30 |  |  |  | 20.93 |  |  |  | 3.46 |  |  |  | 18.88 |  |  |  | (42.56 | )
Exercise of employee stock options** |  |  | (.97 | ) |  |  | (.02 | ) |  |  | (.20 | ) |  |  | – |  |  |  | – |
Forfeiture/ (Issuance) of restricted stock*** |  |  | (.41 | ) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock option expense |  |  | .14 |  |  |  | .28 |  |  |  | .26 |  |  |  | .18 |  |  |  | .13 |
Net change in pension plan funded status |  |  | .05 |  |  |  | (.11 | ) |  |  | (.02 | ) |  |  | .12 |  |  |  | (.39 | )
Treasury stock* |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | 1.40 |
Adjustment to initially apply ASC 715, net of tax |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |
Increase (decrease) in net asset value |  |  | 5.75 |  |  |  | 23.77 |  |  |  | 13.54 |  |  |  | 19.16 |  |  |  | (39.11 | )
Net asset value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning of year |  |  | 167.45 |  |  |  | 143.68 |  |  |  | 130.14 |  |  |  | 110.98 |  |  |  | 150.09 |
End of year |  | $ | 173.20 |  |  | $ | 167.45 |  |  | $ | 143.68 |  |  | $ | 130.14 |  |  | $ | 110.98 |
Ratios and Supplemental Data |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ratio of operating expenses to average net assets |  |  | 1.36 | % |  |  | 1.07 | % |  |  | 1.10 | % |  |  | .87 | % |  |  | .71 | %
Ratio of net investment income to average net assets |  |  | .31 | % |  |  | .41 | % |  |  | .35 | % |  |  | .47 | % |  |  | 1.96 | %
Portfolio turnover rate |  |  | 2.22 | % |  |  | 2.15 | % |  |  | 2.78 | % |  |  | 1.16 | % |  |  | 2.51 | %
Net asset total return |  |  | 27.00 | % |  |  | 18.07 | % |  |  | 18.40 | % |  |  | 18.50 | % |  |  | (22.56 | )%
Shares outstanding at end of period (000s) omitted |  |  | 3,809 |  |  |  | 3,755 |  |  |  | 3,753 |  |  |  | 3,741 |  |  |  | 3,741 |
* | Net increase is due to purchases of common stock at prices less than beginning period net asset value.
** | Net decrease is due to the exercise of employee stock options at prices less than beginning of period net asset value.
*** | Reflects impact of the different share amounts as a result of issuance or forfeiture of restricted stock during the period.

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