| Date | Download | German | English | |
| 04/20/2011 | Speech |  |
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| 04/21/2010 | Speech | |
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| 04/22/2009 | Speech | |
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| 04/23/2008 | Speech | |
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| 04/25/2007 | Speech | |
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| 05/08/2006 | Speech | |
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| 04/25/2005 | Speech | |
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| 04/22/2004 | Speech | |
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| 11/10/2003 | Speech | |
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| 04/10/2003 | Speech | |
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| 04/23/2002 | Speech | |
| Date | Download | German | English | |
| 04/20/2011 | Speech | |
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| 04/21/2010 | Speech | |
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| 04/22/2009 | Speech | |
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| 04/23/2008 | Speech | |
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| 04/25/2007 | Speech | |
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| 05/08/2006 | Speech | |
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| 04/25/2005 | Speech | |
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| 04/22/2004 | Speech | |
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| 11/10/2003 | Speech | |
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| 04/10/2003 | Speech | |
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| 04/23/2002 | Speech | |