Deckungsgrad
| 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 |
| 96.10 | 96.00 | 100.40 | 100.00 | 98.10 | 83.10 | 92.00 | 93.80 | 86.10 | 90.70 | 95.60 | 105.00 | 99.70 | 101.70 | 111.10 | 107.30 |
unterjährige Deckungsgrade 2019: Q1: 112.9% Q2: 114.5% Q3: 115.7%